OGUEJIOFOR, C. RELATIONSHIP BETWEEN PRINCIPALS’ SCHOOL SUPERVISION AND EFFECTIVE SCHOOL ADMINISTRATION IN PUBLIC SECONDARY SCHOOL IN RIVERS STATE, NIGERIA. UNIZIK Journal of Educational Management and Policy, [S. l.], v. 5, n. 1, p. 194–204, 2023. Disponível em: https://journals.unizik.edu.ng/ujoemp/article/view/2175. Acesso em: 14 may. 2024.