Othman, Azraai, and Othman Talib. 2015. “Tahap Kefahaman Asas Kimia Organik Dalam Kalangan Pelajar Kolej Matrikulasi Aliran Teknikal: The Level of Understanding the Basic of Organic Chemistry Among College Student of Technical Matriculation”. Jurnal Pendidikan Sains Dan Matematik Malaysia 5 (2):86-97. https://ojs.upsi.edu.my/index.php/JPSMM/article/view/2153.