Manurung, Alberth Supriyanto, Abdul Halim, and Ainur Rosyid. “Cooperative Learning Implementation Model to Improve Mathematics Learning Outcomes”. Jurnal Basicedu 6, no. 1 (January 10, 2022): 877–885. Accessed July 22, 2024. https://jbasic.org/index.php/basicedu/article/view/2026.