Obe P, Ngwu M, Ezeama A. Auto Electrical and Electronic Competencies Needed by Mechanical Work Students for Vehicle Diagnosis and Maintenance in Technical Colleges of Enugu State. JHER [Internet]. 2024 Sep. 30 [cited 2025 Jul. 22];31(1). Available from: https://journals.heran.org/index.php/JHER/article/view/503