M. A. Kukawa, O. B. Adamu, and M. A. Gajiram, “Causes of High Out-of-School Children in Northern Nigeria and Its Implications for Present and Future: A Qualitative Study”, AJHCER, vol. 19, no. 1, pp. 230–240, Jun. 2025, doi: 10.62154/ajhcer.2025.019.01023.