Ujang, Suriyati, Roselah Osman, Nazirah Ramli, Nur Hafizah Jumadi, Najihah Imran, and Nur Farah Mahdan. “Ranking Students Preferences for Mathematics Mobile Applications Using Fuzzy Grade Matrix With Degree of Optimism and Statistical Analysis Approach”. Journal of Quality Measurement and Analysis 22, no. 2 (June 25, 2026): 189–205. Accessed August 17, 2026. https://jqma.ukm.my/index.php/jqma/article/view/280.