Antonius KAP Simbolon. “EFFORTS TO IMPROVE STUDENTS’ MATHEMATICAL PROBLEM SOLVING ABILITY BY APPLYING THE GENERATIVE LEARNING TYPE COOPERATIVE MODEL”. Nusantara Hasana Journal 5, no. 1 (June 30, 2025): 295–301. Accessed September 11, 2025. https://nusantarahasanajournal.com/index.php/nhj/article/view/1516.