The Effect of the Student Teams Achievement Division (STAD) Cooperative Learning Approach on Mathematics Learning Outcomes at SDN 6 Sokong. JISIP [Internet]. 2024 Jul. 13 [cited 2026 Jul. 1];8(3):1813-5. Available from: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/7151