Muh. Jamil Barambangi, sari AIS, Herna. The Numbered Heads Together Type Cooperative Learning Model on Students’ Understanding of Mathematical Concepts in Grade VIII Mts Negeri 1 Polewali Mandar. RMJ [Internet]. 2026 Oct. 29 [cited 2026 Oct. 31];5(2):117-24. Available from: https://math.ppj.unp.ac.id/index.php/RMJ/article/view/132