Obasuyi, O., Oronsaye, O., & Obasuyi, E. (2025). Efficacy of School-health Modifier Management Package in Managing Delinquent Behaviours of Adolescents in Secondary Schools in Ikpoba-Okha LGA, Edo State, Nigeria. NIU Journal Of Educational Research, 11(2), 15-22. doi:10.58709/niujed.v11i2.2213