“Problem Based Learning : Solusi Efektif untuk Meningkatkan Literasi Sains Materi Alat-Alat Optik”, semnas, vol. 1, no. 1, pp. 302–311, Jul. 2024, Accessed: Sep. 09, 2025. [Online]. Available: https://eproceeding.fitkuinjktconferences.com/index.php/semnas/article/view/79