Marpaung, Flowrent Natalia, Bernadetha Nadeak, and Lamhot Naibaho. “Teknik Peningkatan Mutu Pendidikan”. Jurnal Pendidikan dan Konseling (JPDK) 5, no. 1 (January 15, 2023): 3761–3772. Accessed July 22, 2024. http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/11614.