Abdul Manaf, Nor Aziah, Zuaini Ishak, and Wan Nordin Wan Hussin. 2011. “Application of Problem Based Learning (PBL) in a Course on Financial Accounting Principles”. Malaysian Journal of Learning and Instruction 8 (January):21-47. https://e-journal.uum.edu.my/index.php/mjli/article/view/7625.