DIDI SYAHRIR; YENI ERITA; FEBY KURNIAWAN; VANY QHAIRUM NISA UTAMI. Improving IPS Learning Outcomes for Elementary School Students in Each Class Using the Problem Based Learning Model. RADINKA JOURNAL OF SCIENCE AND SYSTEMATIC LITERATURE REVIEW, [S. l.], v. 1, n. 1, p. 14–22, 2023. DOI: 10.56778/rjslr.v1i1.87. Disponível em: https://rjupublisher.com/ojs/index.php/RJSLR/article/view/87. Acesso em: 21 sep. 2026.