M. R. Agboyi, L. Adu, and D. Ackah, “An Evaluation of Vehicle Component Procurement on the Performance of Road Transportation, A Study of Public Bus Transit, Ghana”, IJSBAR, vol. 17, no. 1, pp. 401–416, Dec. 2014, Accessed: Jul. 12, 2026. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3086