Suharli, Suharli, Udan Kusmawan, and Sudirman Sudirman. “Critical Review: The Effectiveness of Student Teams-Achievement Divisions Vs Numbered Heads Together Cooperative Learning in Improving students’ Mathematical Critical Thinking Abilities”. Gema Wiralodra 15, no. 1 (April 30, 2024): 606–614. Accessed November 4, 2025. https://gemawiralodra.unwir.ac.id/index.php/gemawiralodra/article/view/695.