SIMBOLON, R.; KOESWANTI, H. D. Comparison of Pbl (Project Based Learning) Models with Pbl (Problem Based Learning) Models to Determine Student Learning Outcomes and Motivation. International Journal of Elementary Education, [S. l.], v. 4, n. 4, p. 519–529, 2021. DOI: 10.23887/ijee.v4i4.30087. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/30087. Acesso em: 28 dec. 2024.