Darmanska, Iryna. “The Essential Characteristic of the Concept of «Managerial Competence of the Head of Educational Institution»”. Pedagogical Discourse0, no. 18 (February 19, 2015): 74-78. Accessed April 2, 2025. http://ojs.kgpa.km.ua/index.php/peddiscourse/article/view/253.