“PENGEMBANGAN LKPD BERBASIS MODEPEMBELAJARAN PROBLEM BASED LEARNING BERBANTUAN PHET DAN FENOMENA PERMAINAN ENGKLEK PADA MATERI GERAK PARABOLA”. 2025. BIOCHEPHY: Journal of Science Education 5 (2): 869-77. https://www.journal.moripublishing.com/index.php/biochephy/article/view/1723.