Zebua, E., & Zega, Y. (2023). The Effect of Course Review Horay Type Cooperative Learning Model on Mathematics Problem Solving Ability of Class X Students of SMK NEGERI 3 GUNUNGSITOLI. Edumaspul: Jurnal Pendidikan, 7(2). Retrieved from https://jurnal.unimen.cloud/index.php/maspuljr/article/view/7083