PURNAMASARI, L.; ZIKRA, Z.; REZA, F. PENGARUH MODEL PROBLEM-BASED LEARNING (PBL) TERHADAP PENGUASAAN KONSEP IPA MATERI PENCEMARAN LINGKUNGAN. BIODIK, [S. l.], v. 2, n. 2, p. 62 - 66, 2018. DOI: 10.22437/bio.v2iNo 2.4908. Disponível em: https://online-journal.unja.ac.id/biodik/article/view/4908. Acesso em: 23 jul. 2024.