Simanjuntak, Michael, and Andar Gunawan Pasaribu. “Integrasi Teologi Dan Psikologi Agama Kristen (Itpak): Sebuah Pendekatan Holistik Baru”. Journal of Comprehensive Science (JCS) 3, no. 2 (February 15, 2024): 318–326. Accessed September 16, 2024. https://jcs.greenpublisher.id/index.php/jcs/article/view/615.