IFEANYICHUKWU, U.; CHIJIUKA, O. I.; GLADYS O., C. ANALYSIS OF PRINCIPALS’ MANAGEMENT ACTIVITIES FOR SUSTAINABLE QUALITY ASSURANCE IN SECONDARY SCHOOLS IN ANAMBRA STATE. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 8, n. 1, p. 294–304, 2020. DOI: 10.29121/granthaalayah.v8.i1.2020.284. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/32_IJRG19_A12_2946. Acesso em: 2 may. 2024.