root, root. “The Proactive Behavior of Leaders and Its Role in Achieving Economic Sustainability - an Exploratory Study of the Opinions of a Sample of Workers in the Kirkuk Health Department”. Warith Scientific Journal 5, no. 14 (July 11, 2023): 105-118. Accessed May 9, 2024. http://wsj.uowa.edu.iq/index.php/warith/article/view/136.