Umaru D, Alhaji K, Basheer HA. Level of Principals’ Instructional Supervision in Secondary Schools in Danko Wasagu Local Government Area of Kebbi State. AJHCER [Internet]. 2022 Dec. 31 [cited 2026 Oct. 27];8(2):77-90. Available from: https://publications.afropolitanjournals.com/index.php/ajhcer/article/view/261