Sinaga, Feliza Paramitha, Adelakun Isaac Tosin, and Amit Kumar Das. 2024. “The Effectiveness of Powerpoint-Based Audio Visual Media on Science Learning Outcomes on Solar System Material in Class VII Students”. Schrödinger: Journal of Physics Education 5 (4), 160 -67. https://doi.org/10.37251/sjpe.v5i4.971.