ZAM-ZAM, N.; KAHARU, S. N.; PAHRIADI, P.; AZIZAH, A.; PUTRIWANTI, P. Problem-Based Learning for Enhancing Learning Motivation in Elementary Science and Social Studies. Equator Science Journal, [S. l.], v. 4, n. 3, p. 276–288, 2026. DOI: 10.61142/esj.v4i3.366. Disponível em: https://ejournal.edukhatulistiwa.com/index.php/ESJ/article/view/366. Acesso em: 6 aug. 2026.