Isueken, Onosetale Tracy. CHANGE MANAGEMENT VARIABLES AND ADMINISTRATIVE EFFECTIVENESS IN COVID-19 ERA AND BEYOND: A STUDY OF SCHOOL PRINCIPALS’ IN CALABAR EDUCATIONAL ZONE. ECEM [Internet]. 2022 Apr. 30 [cited 2024 May 17];9(4):50-8. Available from: https://eprajournals.net/index.php/ECEM/article/view/363