ALIYAH, S. MODEL PROBLEM BASED LEARNING SECARA ONLINE UNTUK MENINGKATKAN HASIL BELAJAR KIMIA TENTANG ASAM AMINO DAN PROTEIN . SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA, [S. l.], v. 2, n. 1, p. 62-67, 2022. DOI: 10.51878/science.v2i1.985. Disponível em: https://www.jurnalp4i.com/index.php/science/article/view/985. Acesso em: 26 feb. 2026.