Aprianno, Ryan Gredy, and Timothy Revival April Torondek. “Creation of D.R.T.B Works for Guitar Major Students Who Participate in the Jakarta Six String Extracurricular in the FBS UNJ Music Education Study Program”. Jurnal Indonesia Sosial Sains 6, no. 1 (January 25, 2025): 24–36. Accessed June 28, 2025. https://jiss.publikasiindonesia.id/index.php/jiss/article/view/1544.