HARAHAP, Army Fahita; NIRWANA ANAS. Pengaruh Model Project Based Learning (PjBL) terhadap Keterampilan Proses Sains Siswa SD pada Materi Sistem Pencernaan Manusia. Walada: Journal of Primary Education, [S. l.], v. 5, n. 2, p. 1803–1814, 2026. DOI: 10.61798/wjpe.v5i2.700. Disponível em: https://www.ccg-edu.org/index.php/wjpe/article/view/700. Acesso em: 29 oct. 2026.