FAUZIA, N. L. U.; KELANA, J. B. Natural Science Problem Solving in Elementary School Students Using the Project Based Learning (PjBL) Model. Jurnal Ilmiah Sekolah Dasar, [S. l.], v. 4, n. 4, p. 596–603, 2021. DOI: 10.23887/jisd.v4i4.28377. Disponível em: https://ejournal.undiksha.ac.id/index.php/JISD/article/view/28377. Acesso em: 23 dec. 2024.