Manullang, Ezra Yosua Bonifacius, and Binsar Jonathan Pakpahan. “TINJAUAN ATAS SPIRITUALITAS HKBP DARI SUDUT PANDANG SPIRITUALITAS LUTHER DAN GEREJA-GEREJA LUTHERAN”. Jurnal Amanat Agung 17, no. 2 (December 29, 2021): 183-219. Accessed March 29, 2024. https://ojs.sttaa.ac.id/index.php/JAA/article/view/498.