husayni idi kwami, abdul halim ismail, adi irfan che-ani, halizah omar & maharam mamat.  (2017).  sustainable operation practices: the case of universiti kebangsaan malaysia.  - journal of engineering science and technology.  76-88. 

nur ainil bt. sulaiman , yu li, halizah bt. omar.  (2025).  theoretical foundations of production-oriented approach in cet4 writing instruction: a systematic review of multi-theoretical framework effects on writing performance dimensions.  - forum for linguistic studies .  830 - 849. 

yu li, nur ainil bt. sulaiman, halizah bt. omar.  (2025).  poa-mlsp: a multi-dimensional learning analytics framework for predictingcet4 writing performance based on a production-oriented approach and student engagement patterns.  - future technology.  100 - 116. 

yu li, nur ainil sulaiman, halizah omar.  (2025).  poa-mlsp: a multi-dimensional learning analytics framework for predicting cet4 writing performance based on a production-oriented approach and student engagement patterns .  - future technology.  100 - 116. 

sa’adiah kummin, halizah omar, devendran a/l ramachandran, harieza hussin, nazri muslim.  (2025).  a study of learner-initiated engagement in informal english language learning.  - international journal of research and innovation in social science (ijriss).  7148 - 7159. 

nur mazliyana zainuddin, maslawati mohamad, nur yasmin zakaria, nur ainil sulaiman, nur atiqah jalaludin, halizah omar.  (2024).  trends and benefits of online distance learning in the english as a second language context: a systematic literature review.  - arab world english journal.  284 - 301. 

halizah omar, mohamed amin embi, melor md yunus.  (2012).  learners` use of communication strategies in an online discussion via facebook.  - procedia social and behavioral sciences.  535 - 544. 

mohd hafiszudin mohd amin, halizah omar, sarah mohamad yunus.  (2024).  mentor-mentee program: confidence building & language enhancement for limited english language proficiency (lep) learners.  - .  106 - 118. 

nor hasni mokhtar, normilah a wahab, halizah omar.  (2024).  promoting language use through brave-hearts.  - .  95 - 105. 

normazidah che musa, azwan shaiza nizam, halizah omar.  (2024).  english language teaching and learning in the 21st century.  - .  11 - 15. 

zuraidah mohd don, sharifah salmah syed ali, tam shu sim, halizah omar, chong seng tong, fatimah puteh, siti jamilah bidin, thilagavathi shanmuganathan, ahmad mazli muhammad, nor fazlin mohd ramli, zalina mohd kasim, suriyani ariffin, nazli mahdzir.  (2019).  the engagement sites.  - .  35-40. 

syaidatun nazirah abu zahrin, mohd izwan mahmud, dharatun nissa puad mohd kari, halizah omar, rezki perdani sawai, joki perdani sawai.  (2020).  regulasi emosi dalam penulisan dan penerbitan jurnal dalam kalangan ahli akademik.  - kongres & pertandingan inovasi (knovasi) 2020.  1-5. 

rahilah binti omar, halizah binti omar, warti binti kimi, ahmad tarmizi bin salleh.  (2017).  lontaraq bilang sebagai sumber sejarah.  - jurnal akademik (ipg pendidikan islam).  1-11. 

halizah omar, nor hasni mokhtar, normazidah che musa, saadiah kummin, taufik rashid, harieza hussin, mohd hafiszudin mohd amin, normilah a. wahab, khaidzir ismail.  (2017).  karnival bahasa inggeris (elc): kolaborasi dan impak kepada pelajar dan ukm.  - k-novasi 2017.  . 

halizah omar.  (2025).  qualitative research in language teaching & learning.  - .  . 

halizah omar.  (2025).  english for workplace excellence: enhancing work quality and international interaction.  - .  . 

halizah omar, n. rahayu sallihudin, zarina othman .  (2024).  over reliance on teleprompters and online scripts in online oral presentations: unveiling the challenges.  - international language symposium 2024 (ils 2024).  . 

wan nur'ashiqin wan mohamad, normazidah che musa, halizah omar.  (2024).  empowering future graduates: integrating vision boards, smart goals, and coaching to enhance self-expression and humanise elt.  - international seminar on language teaching (iselt).  . 

siti aisyah mohd adaha, wan nur’ashiqin wan mohamad, halizah omar.  (2024).  empowering students through vision boards, smart goals, and coaching: early findings in sustainable language teaching.  - international language symposium (ils) 2024.  .