QUALITY ASSURANCE PRACTICES AND SENIOR SECONDARY SCHOOL EFFECTIVENESS IN LAGOS STATE, NIGERIA. INT’L JOURNAL OF HUMANITIES, ECONOMIC DEVELOPMENT AND CONTEMPORARY STUDIES, [S. l.], v. 2, n. 1, p. 140–149, 2026. DOI: 10.66993/xtnf9651. Disponível em: https://journals.iempsglobal.org/index.php/IJHEDCS/article/view/341. Acesso em: 5 aug. 2026.