John Ibanga Isaac (2024) “Power Distribution Transformer Maintenance Skills Required By Electrical Engineering Technology Students Of Polytechnics In North-East Nigeria”, Online Journal for TVET Practitioners, 9(2), pp. 49–59. Available at: https://journal.uthm.edu.my/index.php/oj-tp/article/view/17996 (Accessed: 12 August 2026).