MARLIAH, E.; KUMAR, A. Improving Students’ Economic Learning Outcomes through Problem-Based Learning Methods. PPSDP International Journal of Education, [S. l.], v. 4, n. 1, p. 237–249, 2025. DOI: 10.59175/pijed.v4i1.410. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/410. Acesso em: 31 jul. 2026.