Siahaan, Putri Amelia, and Damayanti Nababan. “The Creativity of Adult PAK Services in the Church”. Formosa Journal of Applied Sciences 1, no. 6 (November 30, 2022): 1121–1126. Accessed May 30, 2026. https://journal.formosapublisher.org/index.php/fjas/article/view/1839.