Maryam, H. Adrianus Chatib, and Minnah El-Widdah. “MANAGERIAL COMPETENCE OF THE HEAD OF THE MINISTRY OF RELIGION IN IMPROVING EDUCATIONAL SERVICES IN JAMBI PROVINCE”. European Journal of Humanities and Educational Advancements, vol. 2, no. 10, Oct. 2021, pp. 106-9, https://scholarzest.com/index.php/ejhea/article/view/1321.