OBIDILE, Stella Ogechukwu. PRINCIPALS’ INSTRUCTIONAL LEADERSHIP COMPETENCY AND EFFECTIVE MANAGEMENT OF SECONDARY SCHOOLS IN ANAMBRA STATE. American Journal of Arts and Communication, [S. l.], v. 10, n. 2, p. 28–41, 2025. DOI: 10.5281/zenodo.15341181. Disponível em: http://topjournals.org/index.php/AJAC/article/view/994. Acesso em: 18 nov. 2025.