Ananda, I. R. and Martini , M. . (2025) “PENINGKATAN KETERAMPILAN BERPIKIR KRITIS MENGGUNAKAN MODEL PROBLEM BASED LEARNING PADA MATERI ZAT ADITIF”, BIOCHEPHY: Journal of Science Education, 5(1), pp. 524-532. doi: 10.52562/biochephy.v5i1.1546.