Ghufron S, Nafiah, Syahruddin, Kaswadi, Mustofa. The Effect of STAD-Type Cooperative Learning Based on a Learning Tool on Critical Thinking Ability in Writing Materials. International Journal of Instruction [Internet]. 2023 Jan. 1 [cited 2024 Nov. 22];16(1):61-84. Available from: https://e-iji.net/ats/index.php/pub/article/view/173