YASMINI, I. G. K. Penerapan Model Pembelajaran Problem Based Learning untuk Meningkatkan Motivasi Belajar IPA. Journal of Education Action Research, [S. l.], v. 5, n. 2, p. 159–164, 2021. DOI: 10.23887/jear.v5i2.33603. Disponível em: https://ejournal.undiksha.ac.id/index.php/JEAR/article/view/33603. Acesso em: 2 dec. 2024.