Penerbitan Terkini

jenny ting, muhammad sofwan mahmud.  (2024).  the attitude of using text books among primary school teachers.  - international journal of academic research in progressive education and development.  299-313. 

norazlina mohd radzi, muhammad sofwan mahmud.  (2024).  persepsi program guru muda dalam pembelajaran matematik tambahan bagi sekolah berasrama penuh.  - international journal of future education and advances (ijfea).  150-158. 

michelle tiong king moi, muhammad sofwan mahmud.  (2024).  level of teacher's readiness towards the implementation of dual language (dual language program) in mathematics subjects in schools - inland schools, sarawak.  - international journal of academic research in progressive education and development.  53-66. 

noorsyawaliah abdullah, muhammad sofwan mahmud.  (2024).  year 6 mathematics teachers' perception level towards the 2017 kssr revised year 6 mathematics textbook.  - international journal of academic research in progressive education and development.  2631-2645. 

muhammad sofwan mahmud, ahmad yasir mustafa.  (2024).  the integration of robotics in mathematics education: a systematic literature review.  - international journal of academic research in progressive education and development.  2789-2803. 

hairunnisa hussim, roslinda rosli, nurul aisya zahira mohd nor, siti istima maat, muhammad sofwan mahmud, zanaton iksan, azmin sham rambely, siti nurdiyana mahmud, lilia halim, kamisah osman, ah nam lay.  (2024).  a systematic literature review of informal stem learning.  - european journal of stem education.  1-10. 

muhammad sofwan mahmud.  (2024).  ibu bapa perlu cari kaedah terbaik tarik minat anak kuasai matematik.  - rencana berita harian.  1. 

ang chia mui, muhammad sofwan mahmud.  (2023).  teachers' perception of the suitability of chinese school year 6 mathematics textbook.  - international journal of academic research in progressive education and development.  1564-1580. 

wong boh king, muhammad sofwan mahmud.  (2023).  levels of understanding and skills of mathematics teachers in the implementation of higher order thinking skills (hots) in teaching mathematics in secondary schools.  - international journal of academic research in progressive education and development.  1595-1609. 

hii bii hui, muhammad sofwan mahmud.  (2023).  influence of game based learning in mathematics education on the students cognitive and affective domain: a systematic review.  - frontiers in psychology.  1-15. 

muhammad sofwan mahmud, nadia fasha mohd drus.  (2023).  the use of oral questioning to improve students reasoning skills in primary school mathematics learning.  - frontiers in education.  1-12. 

mohd mazwan a. razak, muhammad sofwan mahmud.  (2023).  kesediaan guru matematik terhadap pentaksiran: sebuah tinjauan literatur.  - seminar kebangsaan pendidikan negara (skepen 2023).  1160-1172. 

gayathiry gangatharan, muhammad sofwan mahmud.  (2023).  persepsi guru tentang pendekatan konstruktivisme dalam pembelajaran matematik di sekolah rendah luar bandar: sebuah tinjauan literatur.  - seminar kebangsaan pendidikan negara (skepen 2023).  894-902. 

ricky empera lee, muhammad sofwan mahmud.  (2023).  examining what influences mathematics teachers' implementation of formative assessment.  - international journal of academic research in progressive education and development.  326-350. 

sanggertana kulanthavelu, muhammad sofwan mahmud.  (2023).  masalah diskalkulia dalam kalangan murid sekolah rendah: sebuah tinjauan literatur.  - seminar kebangsaan pendidikan negara (skepen 2023).  680-692. 

shivaraj subramaniam, siti mistima maat, muhammad sofwan mahmud.  (2023).  designing problem solving module based on computational thinking in mathematics education nominal group technique approach.  - international journal of academic research in progressive education and development.  1381-1396. 

kavitha sowndappan, muhammad sofwan mahmud.  (2023).  persepsi dan kebimbangan murid sekolah rendah terhadap pembelajaran matematik: sebuah tinjauan literatur.  - seminar kebangsaan pendidikan negara (skepen 2023).  446-461. 

norazlina mohd radzi, muhammad sofwan mahmud.  (2023).  pelaksanaan program guru muda dalam pembelajaran matematik tambahan bagi sekolah berasrama penuh: sebuah tinjauan literatur.  - seminar kebangsaan pendidikan negara (skepen 2023).  318-329. 

ahmad yasir mustafa bakri, muhammad sofwan mahmud.  (2023).  integrasi robotik dalam pendidikan stem: memperkukuhkan kemahiran logik matematik.  - seminar kebangsaan pendidikan negara (skepen 2023).  297-305. 

ricky empera lee, muhammad sofwan mahmud.  (2023).  teknik pentaksiran formatif guru matematik sekolah rendah.  - seminar kebangsaan pendidikan negara (skepen 2023).  272-287. 

wong boh king, muhammad sofwan mahmud.  (2023).  sikap dan motivasi pelajar terhadap pembelajaran matematik di sekolah menengah: sebuah tinjauan literatur.  - seminar kebangsaan pendidikan negara (skepen 2023).  585-595. 

nurul atiqah mohd zin, muhammad sofwan mahmud.  (2023).  kompetensi pembelajaran matematik jarak jauh di ipt.  - seminar kebangsaan pendidikan negara (skepen 2023).  636-651. 

chong shing kit, muhammad sofwan mahmud.  (2023).  keberkesanan pembelajaran berasaskan perisian terhadap penguasaan geometri dalam kalangan murid tahun enam: sebuah tinjauan literatur.  - malaysian journal of social sciences and humanities (mjssh).  1-9. 

norazlina mohd radzi, muhammad sofwan mahmud.  (2023).  the use of visualization techniques to enhance secondary school students' ability to solve sentence-based mathematical problems.  - international journal of academic research in business and social sciences.  1896-1913. 

afiq fikrie mohmad, mohamad solehuddin mohamad sidek, roslinda rosli, siti mistima maat, muhammad sofwan mahmud.  (2023).  tinjauan strategi menangani diskalkulia melalui sorotan literatur sistematik.  - jurnal pendidikan sains dan matematik malaysia.  11-24. 

nurul syuhada mustafa kamal, muhammad sofwan mahmud.  (2023).  the readiness and competence of secondary school mathematics teachers in implementing distance learning.  - international journal of academic research in progressive education and development.  305-314. 

nabilah aida mat nor azmay, roslinda rosli, siti mistima maat, muhammad sofwan mahmud.  (2023).  educational research trends on statistical reasoning and statistical thinking: a systematic literature review.  - international journal of academic research in progressive education and development.  586-600. 

aini hayati pazin@fadzil, siti mistima maat, muhammad sofwan mahmud.  (2023).  the relationship between teachers self efficacy and creative teaching of primary mathematics teachers.  - journal of educational and social research.  340-353. 

afizal abd ghani, roslinda rosli, zanaton iksan, lilia halim, kamisah osman, siti mistima maat, siti nur diyana mahmud, muhammad sofwan mahmud, azmin shah rambely, ah nam lay.  (2023).  stem professional development programs for science and mathematics primary school teachers: a systematic literature review.  - european journal of science and mathematics education.  738-753. 

nur athirah mohd noorzally, muhammad sofwan mahmud.  (2023).  challenges faced by mathematics secondary school teachers in managing learning loss: a qualitative study.  - international journal of academic research in progressive education and development.  2542-2555. 

muhamad fadzlan sa aidin, muhammad sofwan mahmud.  (2023).  oral questioning strategies of mathematics teachers in teaching and learning mathematics: a systematic literature review.  - international journal of academic research in progressive education and development.  594-612. 

muhammad sofwan mahmud, mohd syazwan zainal, wan ahmad munsif wan pa.  (2023).  challenges of special education teachers in inclusive mathematics teaching in primary schools: a preliminary study.  - 13th proceeding of international conference on special education in southeast asia region (icsar 2023).  199-225. 

albert nguong baul ling, muhammad sofwan mahmud.  (2023).  challenges of teachers when teaching sentence-based mathematics problem-solving skills.  - frontiers in psychology.  1-11. 

pow mei ling, muhammad sofwan mahmud.  (2023).  pedagogical content knowledge on primary school mathematics teachers based on specialization.  - international journal of academic research in progressive education and development.  1033-1048. 

abdul fattah mat nan, siti mistima maat, muhammad sofwan mahmud.  (2022).  research of mathematics teachers in the scopus database between 2012 and 2022 a bibliometric analysis.  - cypriot journal of educational sciences.  4299-4316. 

kumuthavalli a/p subramaniam, muhammad sofwan mahmud.  (2022).  keberkesanan teknik visualisasi bagi meningkatkan kemahiran penyelesaian masalah berayat matematik murid tahun tiga.  - jurnal dunia pendidikan.  249-259. 

kissanraj nagaraj, muhammad sofwan mahmud.  (2022).  kesan pelaksanaan pembelajaran berasaskan projek (pbl) dalam pendidikan matematik: tinjauan literatur bersistematik (slr).  - jurnal dunia pendidikan.  260-274. 

muhammad sofwan mahmud, siti mistima maat, roslinda rosli, nur ainil sulaiman, shahrul badriyah mohamed.  (2022).  the application of entrepreneurial elements in mathematics teaching: challenges for primary school mathematics teachers.  - frontiers in psychology.  1-9. 

abdul fattah mat nang, siti mistima maat, muhammad sofwan mahmud.  (2022).  teacher technostress and coping mechanisms during covid-19 pandemic a systematic review.  - pegem journal of education and instruction.  200-212. 

muhammad sofwan mahmud, ming lei law.  (2022).  mathematics teachers perceptions on the implementation of the quizizz application.  - international journal of learning, teaching and educational research.  134-149. 

nurul asnidah ab hajis, roslinda rosli, muhammad sofwan mahmud, lilia halim, aidah abdul karim.  (2022).  pengintegrasian teknologi dalam kalangan guru matematik semasa pengajaran dan pembelajaran di rumah.  - jurnal pendidikan sains dan matematik malaysia.  39-53. 

shivaraj subramaniam, siti mistima maat, suhammad sofwan mahmud.  (2022).  computational thinking in mathematics education a systematic review.  - cypriot journal of educational sciences.  2029-2044. 

muhammad ikhram johari, roslinda rosli, siti mistima maat, muhammad sofwan mahmud, mary margaret capraro, robert m. capraro.  (2022).  integrated professional development for mathematics teachers: a systematic review.  - pegem journal of education and instruction,.  226-234. 

tan lean chuen, roslinda rosli, muhammad sofwan mahmud, lilia halim.  (2022).  persepsi guru matematik terhadap pengetahuan teknologi pedagogikal isi kandungan semasa pengajaran dan pembelajaran di rumah.  - akademika.  179-193. 

chai ee laine, muhammad sofwan mahmud.  (2022).  the influence of problem-based learning (pbl) on mathematics learning: systematic literature review.  - international journal of academic research in progressive education and development.  1120-1137. 

hii bii hui, muhammad sofwan mahmud.  (2022).  teachers' perception towards delima learning platform for mathematics online teaching and learning in sibu district.  - international journal of academic research in business and social sciences.  1888-1908. 

dahlan pamuda, muhammad sofwan mahmud.  (2022).  kompetensi guru dalam pengajaran konsep matematik: kajian literatur bersistematik.  - malaysian journal of social sciences and humanities (mjssh).  1-17. 

ahya kautsar ahmad termizi, muhammad sofwan mahmud.  (2022).  sikap pelajar terhadap pembelajaran flipped classroom dalam subjek matematik: sorotan literatur bersistematik.  - malaysian journal of social sciences and humanities.  1-15. 

ildawati halil, muhammad sofwan mahmud.  (2022).  penggunaan kaedah visualisasi terhadap pencapaian matematik pelajar: sorotan literatur bersistematik.  - malaysian journal of social sciences and humanities (mjssh).  1-13. 

gayathiri a/p subramaniam, muhammad sofwan mahmud.  (2022).  pelaksanaan pendekatan sosial konstruktivisme menggunakan google jamboard dalam pdp matematik terhadap pelajar tahun 4.  - malaysian journal of social sciences and humanities (mjssh).  1-19. 

ahya kautsar ahmad termizi, muhammad sofwan mahmud.  (2022).  mathematics anxiety and relationship with mathematics achievement of form four students.  - international journal of academic research in business and social sciences.  2894-2901. 

ekhwan toriman, haryanti mohd affandi, anies farziehan zakaria, effendi@ewan matore, sofwan mahmud, afifudin husairi mat jusoh, mohd firdaus mustaffa kamal, ridzwan che rus, ummu sakinah mohamad subri.  (2022).  laporan akhir : cabaran dan impak pensijilan profesional industri dan antarabangsa di malaysia.  - 1-286. 

manibarathi nagaretnam, muhammad sofwan mahmud.  (2022).  kesediaan guru dan keberkesanan pelaksanaan pengajaran matematik abad ke-21 di sekolah rendah: sebuah tinjauan literatur.  - malaysian journal of social sciences and humanities.  1-14. 

mercy cynthia poobalan, muhammad sofwan mahmud.  (2022).  tahap pengetahuan dan persepsi guru terhadap pengaplikasian tmk dalam pengajaran matematik sekolah rendah.  - malaysian journal of social sciences and humanities (mjssh).  1-10. 

muhammad sofwan mahmud, tajularipin sulaiman, ahmad fauzi mohd ayub, aida suraya md. yunus.  (2022).  perspektif dalam pelaksanaan kurikulum: menguasai kbat menjiwai kemanusiaan.  - 331. 

dyg nur fathiah, muhammad sofwan mahmud.  (2022).  kemahiran kesedaran metakognitif guru dan guru pelatih matematik: sorotan literatur bersistematik.  - malaysian journal of social sciences and humanities (mjssh).  1-18. 

hanushaa sri bathumalai, muhammad sofwan mahmud.  (2022).  cabaran pelaksanaan pembelajaran atas talian dalam kalangan guru matematik.  - malaysian journal of social sciences and humanities (mjssh).  1-11. 

aini hayati pazin@fadzil, siti mistima maat, muhammad sofwan mahmud.  (2022).  a rasch model analysis of the tpack instrument in the creative teaching of the primary mathematics teachers.  - cypriot journal of educational sciences.  4259-4274. 

ahmad mustafa mahmud, muhammad sofwan mahmud.  (2022).  tahap pemahaman guru matematik melaksanakan pengajaran atas talian.  - malaysian journal of social sciences and humanities (mjssh).  1-14. 

miranda musa, muhammad sofwan mahmud.  (2022).  strategi pengajaran matematik dalam bahasa inggeris sebagai bahasa kedua: sebuah kajian literatur sistematik.  - malaysian journal of social sciences and humanities.  1-16. 

bhanu leega a/p arumugam, muhammad sofwan mahmud.  (2022).  kesediaan guru matematik sekolah rendah di selangor terhadap penerapan kbat dalam pengajaran dan pembelajaran.  - malaysian journal of social sciences and humanities (mjssh).  1-10. 

aini hayati pazin @ fadzil, siti mistima maat, muhammad sofwan mahmud.  (2022).  factors influencing teachers creative teaching a systematic review.  - cypriot journal of educational sciences.  240-254. 

shivaraj subramaniam, siti mistima maat, muhammad sofwan mahmud,.  (2022).  validity and reliability of the needs analysis instrument for the mathematics problem solving module.  - cypriot journal of educational sciences.  4518-4529. 

muhammad sofwan mahmud, mohd syazwan zainal, wan ahmad munsif wan pa.  (2021).  oral questioning skills in teaching mathematics: a preliminary study.  - journal of contemporary issues in business and government.  2724-2734. 

wan ahmad munsif wan pa, mohd syazwan zainal, muhammad sofwan mahmud.  (2021).  factor of brand loyalty in sportswear among student athletes.  - journal of contemporary issues in business and government.  2735-2744. 

law, m. l., muhammad sofwan mahmud.  (2021).  pengintegrasian pengetahuan teknologi pedagogi kandungan (ptpk) dalam pengajaran dan pembelajaran matematik: sebuah tinjauan literatur.  - 5th international conference on teacher learning and development (ictld) 2021.  995-1005. 

devaki a/p ravi, muhammad sofwan mahmud.  (2021).  pengintegrasian stem dalam pengajaran matematik di sekolah rendah: tinjauan literatur.  - international virtual conference on education, social sciences and technology 2021 (ivest2021).  1-11. 

daiana shamini thomas, muhammad sofwan mahmud.  (2021).  pembelajaran berasaskan permainan digital dalam pengajaran matematik: sebuah tinjauan literatur.  - international virtual conference on education, social sciences and technology 2021 (ivest2021).  341-352. 

farah dina baharuddin, muhammad sofwan mahmud.  (2021).  tahap pengetahuan teknologi guru dan hubungannya dengan kreativiti pengajaran guru matematik sekolah rendah.  - prosiding seminar kebangsaan majlis dekan pendidikan universiti awam 2021.  4-14. 

kesavarrtiny sinnasamy, muhammad sofwan mahmud.  (2021).  penguasaan kemahiran pemikiran kritikal dan hubungannya dengan penyelesaian masalah matematik.  - 5th international conference on teacher learning and development (ictld) 2021.  59-68. 

ahmad mustafa mahmud, muhammad sofwan mahmud.  (2021).  persepsi guru matematik sekolah rendah terhadap pengajaran konseptual atau prosedural.  - malaysian journal of social sciences and humanities (mjssh).  67-79. 

chiu yiew kian, muhammad sofwan mahmud.  (2021).  kinta utara pre-university students attitude and its correlation with mathematics t achievement.  - international journal of academic research in business and social sciences.  1422-1435. 

nurfaradilla mohamad nasri, muhammad sofwan mahmud, nur ainil sulaiman, hanita hanim ismail, syar meeze mohd rashid, nur syakila mazalan, wan ahmad munsif wan pa.  (2021).  prosiding simposium prasiswazah fakulti pendidikan 2021.  - prosiding simposium prasiswazah fakulti pendidikan 2021.  1-1110. 

daiana shamini thomas, muhammad sofwan mahmud.  (2021).  analysis of students error in solving quadratic equations using newman procedure.  - international journal of academic research in business and social sciences.  222-237. 

muhammad sofwan mahmud, wan ahmad munsif wan pa, mohd syazwan zainal, nadia fasha mohd drus.  (2021).  improving students critical thinking through oral questioning in mathematics teaching.  - international journal of learning, teaching and educational research.  407-421. 

albert ling nguong baul, muhammad sofwan mahmud.  (2021).  kemahiran penyelesaian masalah matematik berayat dalam pembelajaran matematik di sekolah rendah: sebuah tinjauan literatur.  - jurnal dunia pendidikan.  123-134. 

chiu yiew kian, muhammad sofwan mahmud.  (2021).  concept paper: the use of algebra block in assisting students in learning completing the square technique.  - international virtual conference on education, social sciences and technology 2021 (ivest2021).  316-326. 

chiu yiew kian, muhammad sofwan mahmud.  (2021).  correlation between attitude and pre-university students achievement in mathematics t at kinta utara, perak.  - international virtual conference on education, social sciences and technology 2021 (ivest2021).  288-302. 

chiu yiew kian, muhammad sofwan mahmud.  (2021).  penggunaan blok algebra dalam membantu pembelajaran teknik penyempurnaan kuasa dua pelajar: sebuah kertas konsep.  - jurnal dunia pendidikan.  169-178. 

chiu yiew kian, muhammad sofwan mahmud.  (2021).  hubungan sikap dengan pencapaian matematik t pelajar pra-universiti di kinta utara, perak.  - jurnal dunia pendidikan.  92-105. 

wan ahmad munsif wan pa, muhammad sofwan mahmud, mohd syazwan zainal.  (2021).  implications of social media addiction on academic performance among generation z student-athletes during covid-19 lockdown.  - international journal of learning, teaching and educational research.  194-209. 

siti mistima maat, r. poppy yaniawani, mazlini adnan, muhammad sofwan mahmud.  (2021).  mathematics secondary school teachers of beliefs, teaching practices and pedagogical content knowledge.  - international journal of academic research in progressive education and development.  992-1005. 

muhammad sofwan mahmud, roslinda rosli, siti mistima maat, nadia fasha mohd drus.  (2021).  teacher questioning in mathematics teaching: feedback that stimulates productive teaching.  - turkish journal of computer and mathematics education.  126-136. 

mohd syazwan zainal, wan ahmad munsif wan pa, muhammad sofwan mahmud.  (2021).  internship program for students with disabilities: are malaysian family ready?.  - journal of contemporary issues in business and government.  2754-2761. 

muhammad sofwan mahmud, tajularipin sulaiman, ahmad fauzi mohd ayub, aida suraya md. yunus.  (2021).  implementation of oral questioning in assessing student learning in mathematics teaching in primary schools.  - turkish journal of computer and mathematics education.  137-143. 

muhammad sofwan mahmud, muhamad farhan abdul halim, nadia fasha mohd drus.  (2020).  school-based assessment practices among primary school mathematics teachers based on teaching experience.  - palarchs journal of archaeology of egypt/egyptology.  676-686. 

muhammad sofwan mahmud, mohd syazwan zainal, roslinda rosli, siti mistima maat.  (2020).  dyscalculia: what we must know about students' learning disability in mathematics?.  - universal journal of educational research.  8214-8222. 

mohd syazwan zainal, muhammad sofwan mahmud, wan ahmad munsif wan pa.  (2020).  job marketable for student with disability: what we should know for career transition programme.  - journal of university of shanghai for science and technology.  1326-1333. 

muhammad sofwan mahmud, aida suraya md yunus, ahmad fauzi mohd ayub, tajularipin sulaiman.  (2020).  enhancing mathematical language through oral questioning in primary schools.  - international journal of learning, teaching and educational research.  395-410. 

muhammad sofwan mahmud, aida suraya md. yunus, ahmad fauzi mohd ayub, tajularipin sulaiman.  (2020).  the use of oral questioning in inculcating values in mathematics for primary school students.  - universal journal of educational research.  1-8. 

muhammad sofwan mahmud.  (2020).  level of oral questions used by new and experienced teachers in mathematics teaching in primary schools.  - international journal of psychosocial rehabilitation.  3533-3541. 

muhammad sofwan mahmud, aida suraya md. yunus, ahmad fauzi mohd ayub tajularipin sulaiman.  (2020).  types of oral questions used by teachers in mathematical problem solving teaching in primary school mathematics teaching.  - international journal of psychosocial rehabilitation.  2278-2292. 

muhammad sofwan mahmud.  (2019).  the role of wait time in the process of oral questioning in the teaching and learning process of mathematics.  - international journal of advanced science and technology.  691-697. 

muhammad sofwan mahmud, aida suraya md. yunus, ahmad fauzi mohd ayub, tajularipin sulaiman.  (2019).  factors affecting the implementation of low-level oral questioning in mathematics teaching in primary school.  - international journal of engineering and advanced technology.  579-585. 

muhammad sofwan mahmud, aida suraya md. yunus, ahmad fauzi mohd ayub, tajularipin sulaiman.  (2019).  justification on the selection of revised edition of bloom's taxonomy in the study on levels of oral questioning in the process of teaching mathematic in malaysia.  - international journal of engineering and advanced technology.  586-592. 

muhammad sofwan mahmud, aida suraya md. yunus, ahmad fauzi mohd ayub, tajularipin sulaiman.  (2019).  impact of school location and professional qualification on level of giving feedback among primary school mathematics teachers in oral questioning process.  - religacion-revista de ciencias sociales y humanidades.  467-473. 

muhammad sofwan mahmud, aida suraya md. yunus, ahmad fauzi mohd ayub, tajularipin sulaiman.  (2019).  case study of the level of oral questioning used by teachers in formative assessment during the mathematics teaching process in primary school.  - religacion-revista de ciencias sociales y humanidades.  515-522. 

mohamad sattar rasul.  (2018).  national conference on the 4th industrial revolution skills development.  - sustainability in educati. 

muhammad sofwan mahmud & aida suraya md. yunus.  (2018).  penyoalan lisan dalam proses pengajaran dan pembelajaran matematik: sebuah tinjauan literatur.  - jurnal penyelidikan pendidikan. 

muhammad sofwan mahmud.  (2018).  inspem weekly seminar.  - inspem weekly seminar, universiti putra malaysia. 

muhammad sofwan mahmud & aida suraya md. yunus.  (2018).  the practice of giving feedback of primary school mathematics teachers in oral questioning activities.  - journal of advanced research in dynamical and control systems. 

muhammad sofwan mahmud & aida suraya md. yunus.  (2018).  aras soalan lisan dalam pentaksiran formatif bagi subjek matematik sekolah rendah.  - seminar on ethnomathematics and mathematics education (seme'18). 

siti noor azilah abdullah, harwati hashim & muhammad sofwan mahmud.  (2018).  using mobile application as an alternative to pre-writing strategy.  - international journal of engineering & technology. 

muhammad sofwan bin mahmud.  (2017).  ceramah hari inovasi jabatan perniagaan kolej vokasioanal jasin,melaka.  - 1-50. 

muhammad sofwan bin mahmud.  (2017).  keajaiban nombor 9.  - 1-11. 

muhammad sofwan bin mahmud.  (2017).  pembentangan cadangan kajian.  - 1-9.