RITONGA, Ilma; SIMATUPANG, Halim. Pengaruh Model Problem Based Learning terhadap Kemampuan Argumentasi Ilmiah Peserta Didik pada Materi Ekosistem di Kelas X SMAN 2 Medan: (The Effect of Problem Based Learning Model on Students’ Scientific Argumentation Ability on Ecosystem Material in Class X SMAN 2 Medan). BIODIK, [S. l.], v. 11, n. 04, p. 119–125, 2025. DOI: 10.22437/biodik.v11i04.46840. Disponível em: https://www.online-journal.unja.ac.id/biodik/article/view/46840. Acesso em: 12 may. 2026.