Putri, A. P., & Iryani, I. (2025). UJI VALIDITAS E-MODUL BERBASIS PROBLEM BASED LEARNING MENGGUNAKAN HEYZINE PADA MATERI ASAM BASA FASE F SMA/MA. BIOCHEPHY: Journal of Science Education, 5(2), 1053-1059. Retrieved from https://journal.moripublishing.com/index.php/biochephy/article/view/1805