Pudjiarti, Emilliana Sri, Rini Werdiningsih, and Donatus Wae. “Cooperative Learning: An Effective Approach for Improving Student Engagement and Achievement”. Educational Administration: Theory and Practice 29, no. 2 (April 20, 2023). Accessed July 22, 2024. https://kuey.net/index.php/kuey/article/view/685.