PERMATASARI, A. A.; WIDIANA, I. W.; SIMAMORA, A. H. Tri Hita Karana Oriented Problem Based Learning Improves Natural Science Learning Outcomes. International Journal of Elementary Education, [S. l.], v. 4, n. 2, p. 226–234, 2020. DOI: 10.23887/ijee.v4i2.25185. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/25185. Acesso em: 8 dec. 2024.