“Analysis Of the Effectiveness of Project-Based Learning in the Optics and Electronics 1 Laboratory on Conceptual Understanding and Problem-Solving Skills Among Physics Education Students at UNTL”. MAGNETON: Jurnal Inovasi Pembelajaran Fisika UNWIRA 4, no. 2 (Juli 31, 2026): 115–120. Diakses Agustus 14, 2026. https://journal.unwira.ac.id/index.php/MAGNETON/article/view/5452.