Zebua, E., & Zega, Y. (2023). The Effect of Course Review Horay Type Cooperative Learning Model on Mathematical 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/7178