Harindindintwari, James. “Disruptive Behavior and Students’ Performance in 9 and 12 Years Basic Education in Kanjongo Sector, Nyamasheke District.”. International Journal for Social Studies 5, no. 2 (February 17, 2019): 128-151. Accessed May 13, 2026. https://journals.eduindex.org/index.php/ijss/article/view/6191.