Sihombing , Lotnatigor. “Mengingat Dasa Warsa STT Amanat Agung”. Jurnal Amanat Agung 3, no. 2 (October 1, 2007): 173-182. Accessed December 12, 2024. http://455140.n2m8has25.asia/index.php/JAA/article/view/251.