Akbar Agustian, Muhammad, Afrizal Mayub, and Dedy Hamdani. “Development of HOTS-Based Interactive E-Modules to Train High School Students’ Critical Thinking Skills on Harmonic Vibration Material”. FINGER : Jurnal Ilmiah Teknologi Pendidikan 3, no. 1 (February 8, 2024): 7–15. Accessed August 4, 2025. https://ejournal.1001tutorial.com/index.php/finger/article/view/212.