Nduufi, Poppy Febrina. “Panggabean, Dedy. Mengapa Aku Mengajar: Memandang Kepada Kristus Sang Guru Agung”. Diligentia: Journal of Theology and Christian Education 2, no. 2 (May 31, 2020): 147–148. Accessed March 10, 2025. https://ojs.uph.edu/index.php/DIL/article/view/2241.