Siagian, Hendriko, and Pardomuan Munthe. “Pengaruh Pengorganisasian Pucuk Pimpinan Gereja Terhadap Episkopal Sinodal Gereja HKI”. In Theos : Jurnal Pendidikan dan Theologi 1, no. 2 (April 17, 2021): 65–73. Accessed July 4, 2025. https://journal.actual-insight.com/index.php/intheos/article/view/201.