SERAGIH, A. S. B. G.; SINAMBELA, M. Pengaruh Model Project Based Learning terhadap Motivasi dan Hasil Belajar Siswa pada Materi Siklus Biogeokimia. Biocaster : Jurnal Kajian Biologi, [S. l.], v. 6, n. 4, p. 2208–2223, 2026. DOI: 10.36312/biocaster.v6i4.1718. Disponível em: https://e-journal.lp3kamandanu.com/index.php/biocaster/article/view/1718. Acesso em: 4 nov. 2026.