Effect of Self-Management Technique on Academic Self-Concept of Secondary School Students from Broken Homes in Delta State. Journal of Guidance and Counselling Studies, [S. l.], v. 9, n. 1, p. 119–135, 2025. Disponível em: https://journals.unizik.edu.ng/jgcs/article/view/5546. Acesso em: 23 jun. 2025.