SEVANI, O.; RAMADAN , Z. H. . The Effectiveness of Project-Based Learning Model in Increasing Understanding of Mathematical Concepts in Fourth-Grade Elementary School Students. Journal of Education Research and Evaluation, [S. l.], v. 7, n. 3, p. 469–476, 2023. DOI: 10.23887/jere.v7i3.66664. Disponível em: https://ejournal.undiksha.ac.id/index.php/JERE/article/view/66664. Acesso em: 17 jul. 2024.