Sirojuddin Abror, Rusijono, and Fajar Arianto. “The Effect Of Problem-Based Learning In A Flipped Classroom Environment And Learning Motivation On Learning Independence And Problem Solving Skills”. Educational Administration: Theory and Practice 30, no. 6 (June 6, 2024): 1642–1657. Accessed July 17, 2024. https://kuey.net/index.php/kuey/article/view/5565.