Sule Muhammad, & Hafsatu Abubakar. (2026). 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, 4(4), 263–274. https://doi.org/10.61166/demagogi.v4i4.207