Administrative Quality Assurance and Teacher Evaluation as Determinants of Educational Quality Assurance in Public Secondary Schools in Abia State, Nigeria. Educational Advancement and Development Journal, [S. l.], v. 2, n. 1, p. 176–184, 2026. Disponível em: https://neadafrica.com/journals/neadj/article/view/69. Acesso em: 21 jul. 2026.