SULE MUHAMMAD; HAFSATU ABUBAKAR. An Examination of the Relationship among Instructional Leadership Skills, Teachers’ Self-Efficacy, and School Effectiveness in Secondary Schools in Zamfara State, Nigeria. Demagogi: Journal of Social Sciences, Economics and Education, [S. l.], v. 4, n. 4, p. 263–274, 2026. DOI: 10.61166/demagogi.v4i4.207. Disponível em: https://demagogi.com/index.php/i/article/view/207. Acesso em: 30 sep. 2026.