Isueken, Onosetale Tracy (2022) “CHANGE MANAGEMENT VARIABLES AND ADMINISTRATIVE EFFECTIVENESS IN COVID-19 ERA AND BEYOND: A STUDY OF SCHOOL PRINCIPALS’ IN CALABAR EDUCATIONAL ZONE”, EPRA International Journal of Environmental Economics, Commerce and Educational Management (ECEM), 9(4), pp. 50–58. Available at: https://eprajournals.net/index.php/ECEM/article/view/363 (Accessed: 21 May 2024).