Sibagariang, J. I., J. . Batubara, and E. . Simangunsong. “Karakteristik Musikal Lagu Yesus Bertanya Karya RP Redemptus Simamora”. Journal of Music Science, Technology, and Industry, vol. 5, no. 2, Nov. 2022, pp. 277-91, https://jurnal.isi-dps.ac.id/index.php/jomsti/article/view/2137.