AKANNI, Olubukola Olutosin. Flipped Classroom Model Approach and its Impact on Mathematics Achievement among Adolescents in Education District IV of Lagos - State, Nigeria. NIU Journal of Educational Research, [S.l.], v. 12, n. 1, p. 45-54, mar. 2026. ISSN 3007-1852. Available at: <https://niujournals.ac.ug/ojs/index.php/NIUJED/article/view/2388>. Date accessed: 14 apr. 2026. doi: https://doi.org/10.58709/niujed.v12i1.2388.