Dragan I, Dolinchenko O. THE ESSENCE OF LEADERSHIP AND ENSURING LEADERSHIP EFFICIENCY IN THE PUBLIC ADMINISTRATION SYSTEM. Pub. Adm. and Reg. Dev. [Internet]. 2022 Jun. 1 [cited 2026 Jul. 26];(16):427-42. Available from: https://pard.mk.ua/index.php/journal/article/view/304