VELLY, Desta. Increasing the Motivation and Learning Outcomes of Students through the Application of the Problem Based Learning Model in Learning Physics. Journal of Science and Science Education, [S. l.], v. 2, n. 1, p. 52–57, 2021. DOI: 10.29303/jossed.v2i1.719. Disponível em: https://jppipa.unram.ac.id/index.php/jossed/article/view/719. Acesso em: 24 nov. 2024.