ANTONIUS KAP SIMBOLON. EFFORTS TO IMPROVE STUDENTS’ MATHEMATICAL PROBLEM SOLVING ABILITY BY APPLYING THE GENERATIVE LEARNING TYPE COOPERATIVE MODEL. Nusantara Hasana Journal, [S. l.], v. 5, n. 1, p. 295–301, 2025. DOI: 10.59003/nhj.v5i1.1516. Disponível em: https://www.nusantarahasanajournal.com/index.php/nhj/article/view/1516. Acesso em: 15 aug. 2025.