Firdaus, A.R. and Erman, E. 2025. ANALISIS PEMAHAMAN PESERTA DIDIK TERHADAP KONSEP ZAT DAN PERUBAHAN ZAT. BIOCHEPHY: Journal of Science Education. 5, 1 (Jun. 2025), 499-505. DOI:https://doi.org/10.52562/biochephy.v5i1.1567.