Onia, Saifaldin Idris. “Using Kotter’s Theory to Lead Change at University of Khartoum: A Qualitative Study”. Journal of Social Studies 18, no. 2 (October 31, 2022): 265–278. Accessed March 24, 2026. https://journal.uny.ac.id/index.php/jss/article/view/51098.