Lumbantoruan, Jagar. “Counterpoint and Non-Harmonic Tone Arrangements on œBungong Jeumpa Song Arrangements Works of Paul Widyawan”. Gondang: Jurnal Seni dan Budaya 7, no. 1 (June 18, 2023): 216–225. Accessed May 21, 2025. http://103.242.233.34/2012/index.php/GDG/article/view/49276.