SIREGAR, Nurliani. Collaboration and Transformation of Church Ministers in District X Medan Aceh towards Increasing Congregation Attendance at HKBP Medan and Surrounding Areas. Varied Knowledge Journal, [S. l.], v. 4, n. 1, p. 1221–1233, 2026. DOI: 10.71094/vkj.v4i1.315. Disponível em: https://journal.globalcendekia.or.id/index.php/vkj/article/view/315. Acesso em: 19 sep. 2026.