Dumais, M., and A. Lapian. “Pelatihan Vokal Bagi Paduan Suara Pemuda Di Jemaat GMIM Bukit Moria Malalayang Manado”. Psalmoz: A Journal of Creative and Study of Church Music, vol. 5, no. 2, July 2024, pp. 8-17, https://ejournal-iakn-manado.ac.id/index.php/psalmoz/article/view/2161.