[1]
A. L. Purba and M. M. . Simanjorang, “Application of the Jigsaw Cooperative Learning Model to Improve the Mathematical Problem Solving Ability of Class VIII-3 Students of SMP Negeri 5 Pematang Siantar Academic Year 2022/2023”, AJAE, vol. 2, no. 1, pp. 17–26, Jan. 2023.