Iskandar, Iskandar. “Jigsaw Type Cooperative Learning Model to Improve Learning Outcomes of Natural Science (Study at SD Negeri 2 Bokori)”. International Journal of Management and Education in Human Development 1, no. 02 (April 24, 2021): 19–32. Accessed September 10, 2025. https://ijmehd.com/index.php/ijmehd/article/view/144.