ONUBULEZE, F. K. P. SKILL ACQUISITION AND JOB EFFECTIVENESS OF PRINCIPALS OF SECONDARY SCHOOLS IN ENUGU STATE. Journal of Continuing and Development Education , [S. l.], v. 3, n. 2, p. 19–26, 2023. Disponível em: https://journalcde.com/index.php/jcde/article/view/82. Acesso em: 7 sep. 2025.