TAMBUNAN, D. M.; THESALONIKA, E.; SIMANJUNTAK, M. M. The Effect of The PjBL Model on Student Learning Outcomes in The Science Subject Based on Marharoan Bolon of Elementary School . International Journal of Contemporary Studies in Education, [S. l.], v. 4, n. 3, p. 237–248, 2025. DOI: 10.56855/ijcse.v4i3.1729. Disponível em: https://journals.eduped.org/index.php/ijcse/article/view/1729. Acesso em: 28 jan. 2026.