« Effect of Self-Management Technique on Academic Self-Concept of Secondary School Students from Broken Homes in Delta State », JGCS, vol. 9, nᵒ 1, p. 119–135, mars 2025, Consulté le: 26 juillet 2026. [En ligne]. Disponible sur: https://journals.unizik.edu.ng/jgcs/article/view/5546