Jubelina, Jubelina, and Supramono Supramono. “STRATEGI BERSAING SEKOLAH KRISTEN LENTERA AMBARAWA”. Satya Widya 29, no. 2 (December 5, 2013): 73–82. Accessed April 19, 2025. https://ejournal.uksw.edu/satyawidya/article/view/113.