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 (Jun. 2025), 524-532. DOI:https://doi.org/10.52562/biochephy.v5i1.1546.