Daniel, Daniel, and Octa Maria Sihombing. “Guitar Instrumentalization, Education-Stewardship, and Musician Subject Ethics”. Journal of Student Research 2, no. 1 (December 22, 2023): 69–93. Accessed November 23, 2024. https://ejurnal.stie-trianandra.ac.id/index.php/jsr/article/view/2460.