Improving mathematics learning outcomes using the problem-based learning model for class V students of UPTD SDN 192 BARRU. JISIP (Jurnal Ilmu Sosial dan Pendidikan), [S. l.], v. 9, n. 1, p. 355–366, 2025. DOI: 10.58258/jisip.v9i1.8208. Disponível em: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/8208. Acesso em: 15 aug. 2026.