THE EFFECTIVENESS OF THE APPLICATION OF PROBLEM-BASED LEARNING WITH A SCIENTIFIC APPROACH TO PROBLEM-SOLVING SKILLS IN SOCIAL STUDIES LESSONS IN ELEMENTARY SCHOOLS. Journal of Multidisciplinary Education, [S. l.], v. 2, n. 1, p. 112–124, 2026. DOI: 10.23960/8nwwdd16. Disponível em: https://jme.cerdasnusantara.org/jme/article/view/58. Acesso em: 23 jun. 2026.