Nkrumah, Jacob, Sulemana Yahaya, and Imoro Issifu. “Audit of Frequent Breakdown of Metro Mass Transit Limited Buses at the Tamale Depot”. American Scientific Research Journal for Engineering, Technology, and Sciences 44, no. 1 (June 13, 2018): 19–31. Accessed April 28, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4105.