Wati, E. and Fauzan, A. 2020. 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, 1 (Jan. 2020), 44-54. DOI:https://doi.org/10.24036/ijeds.v2i1.231.