Aprilia, Dinda, and Amali Putra. “Creation of Digital LKPD Based Problem Based Learning Model on Harmonic Vibration in Physics Learning for SMA Class X”. Jurnal Pendidikan Tambusai 8, no. 3 (November 5, 2024): 43331–43337. Accessed February 8, 2025. http://jptam.org/index.php/jptam/article/view/20712.