Wati, Erna, and Ahmad Fauzan. “The Influenceof Cooperative Learning Model Group Investigation (GI) Type and Learning Motivation Approach With the Understanding Concepts and Solving Mathematical Problem on Grade 7 in Upt Smp Negeri Airpura”. International Journal of Educational Dynamics 2, no. 1 (January 17, 2020): 44-54. Accessed November 24, 2024. http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/231.