Muhammad Fadly Habibi, Mukhtar, and Hidayat. “SUPERVISION SKILLS OF SCHOOL PRINCIPLES IN IMPROVING THE PROFESSIONALITY OF EDUCATION WORKERS IN JAMBI PROVINCE”. European Journal of Humanities and Educational Advancements, vol. 3, no. 8, Aug. 2022, pp. 44-52, https://scholarzest.com/index.php/ejhea/article/view/2538.