Mulya, Gumilar. “The Effectiveness of Project Based Learning in Improving Student Learning Results and Motivation in Physical Education Learning ”. Indonesian Journal of Sport Management 3, no. 2 (October 31, 2023): 273–279. Accessed April 30, 2025. https://www.ejournal.unma.ac.id/index.php/ijsm/article/view/7193.