Sulastri, Malahayati Rahayu, Jannatin ‘Ardhuha, and Muhammad Zuhdi. “The Development of Learning Media and Critical Thinking Skill Instrument Based on 5E Learning Cycle Model on Harmonic Vibration Material”. Jurnal Pijar Mipa 16, no. 4 (September 4, 2021): 466–472. Accessed November 22, 2024. http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/2847.