Pakpahan, Betty Arli Sonti, Pardomuan Simanullang, and Oka Simatupang. “School Principals’ Strategies in Managing Inclusive Education at a Junior High School in Humbang Hasundutan Regency”. CSR International Journal 5, no. 1 (April 19, 2026): 12–19. Accessed October 10, 2026. https://ejournal.altsacentre.org/index.php/csrij/article/view/67.