Y D, Quansah Joseph, Gayomey John, and Attakora-Amaniampong Elvis. “Professionals’ Dichotomous Take on Instructional Supervision Styles for Technical Institutions in Ghana”. European Scientific Journal, ESJ 12, no. 19 (July 29, 2016): 255. Accessed October 2, 2022. https://eujournal.org/index.php/esj/article/view/7730.