ZULFAIDHAH, Z.; PALENEWEN, E.; HARDOKO, A. Needs Analysis in the Problem Based Learning (PBL) Model Tools and Problems Regarding 7th Grade Students’ Science Learning Outcome at SMPN 2 Bongan. BIODIK, [S. l.], v. 4, n. 1, p. 48 - 59, 2018. DOI: 10.22437/bio.v4i1.5508. Disponível em: https://online-journal.unja.ac.id/biodik/article/view/5508. Acesso em: 3 jul. 2024.