Murugan, S. and Mohd Yasin, R. binti (2024) “The Effectiveness of Project Oriented Problem based Learning (POPBL) in Improving Student Learning Levels in History”, International Journal of Academic Research in Progressive Education and Development, 13(1). Available at: https://ijarped.com/index.php/journal/article/view/569 (Accessed: 2 August 2025).