SUKMA, G. Application of Problem Based Learning (PBL) Learning Model in Improving Student Learning Outcomes in Natural Sciences Subjects of Material Changes in Objects in Class II MI Al-Islah Sidoarjo. Indonesian Journal of Science Learning (IJSL), [S. l.], v. 1, n. 1, p. 26–31, 2020. DOI: 10.15642/ijsl.v1i1.636. Disponível em: https://jurnalftk.uinsby.ac.id/index.php/IJSL/article/view/636. Acesso em: 26 apr. 2024.