Sari, Dwi, Asep Sukenda Egok, and Armi Yuneti. “Implementation of the Numbered Heads Together Cooperative Learning Model in Mathematics Learning for Fourth Grade Students”. Global Education Journal 3, no. 2 (July 24, 2025): 783–790. Accessed March 1, 2026. https://journal.civiliza.org/index.php/gej/article/view/850.