halimah badioze zaman, rahimah ismail, nazrita ibrahim, ummul hanan mohamad.  (2024).  a visual-based energy efficient digital agro (ee i-agro) project for design & technology subject, based on computational thinking skills across stem.  - 8th international visual informatics conference, ivic2023.  508-525. 

david wong you king, muhammad arif riza, liew kok leong, ummul hanan mohamad, rabiah abdul kadir, mohammad fairus zulkifli, mohammad nazir ahmad.  (2024).  blockchain-based traceability method - a review.  - 8th international visual informatics conference, ivic2023.  261-275. 

halimah badioze zaman, peter robinson, alan f. smeaton, renato lima de oliveira, bo nørregaard jørgensen, timothy k. shih, rabiah abdul kadir, ummul hanan mohamad, mohammad nazir ahmad.  (2024).  springer lncs: advances in visual informatics 2023.  - 8th international visual informatics conference, ivic2023.  1 - 677. 

mohd firdaus sulaiman, mohammad nazir ahmad, liew kok leong, ummul h. mohamad, nik mohd habibullah nik mohd nizam and azrulhizam shapii.  (2023).  ontologies for smart farming.  - 16th iadis international conference on information systems (is 2023).  221-230. 

sulaiman, mohd firdaus; ahmad, mohammad nazir; leong, liew kok; mohamad, ummul h.; mohd nizam, nik mohd habibullah nik; shapii, azrulhizam.  (2023).  ontologies for smart farming.  - proceedings of the 16th iadis international conference on information systems 2023, is 2023.  221 - 230. 

shiang tyng khoo, halimah badioze zaman, ummul hanan mohamad, azlina ahmad.  (2021).  visual learning application in mathematics using holographic display based on multi-touch technology.  - 7th international visual informatics conference, ivic 2021.  98-110. 

ummul hanan mohamad, ahmad mujahid ubaidillah zakaria, mohamad nazir ahmad, nor hazila mohd zain.  (2020).  challenges in building ontology for sharing economy domain.  - 13 th iadis international conference information systems 2020.  156-160. 

ummul hanan mohamad.  (2019).  comparison of user-centered design antibiotic resistance awareness app to existing antibiotic-related mobile applications.  - advances in visual informatics.  82-90. 

halimah b.z., azlina a., aliimran n., hamidah y., a. aliza, m. c. ang, n. azwan s., s. riza, c. m. normazidah, j. azizah,w. wahiza.m. a. nazlena,k. fauzanita,n. puteri nor ellyza,h. baharin,i. mohamad taha,a. k. rabiah,m. n. norshita, ummul, ely salwana.  (2019).  computational thinking (ct) problem solving orientation based on logic-decomposition-abstraction (lda) by rural elementary school children using visual-based presentations.  - advances in visual informaticss, 6th international visual informatics conference 2019.  713-728. 

ummul h. mohamad & puteri n.e. nohuddin.  (2018).  text mining as a tool to visualise the literature trends in the molecular-related personalised medicine context.  - international conference on engineering, life sciences and social science (icel3s) 2018.  . 

ummul h. mohamad, m.t. ijab & rabiah a. kadir.  (2017).  bridging the gap in personalised medicine through data driven genomics.  - advances in visual informatics.  88-99.