Sim, Shin Ying, and Muhammad Fakri Othman. “Pocket Music Theory: The Development of Augmented Reality (AR) Basic Music Theory Learning Mobile Application”. Applied Information Technology And Computer Science 3, no. 2 (November 17, 2022): 647–666. Accessed August 15, 2026. https://periodical.uthm.edu.my/index.php/aitcs/article/view/7483.