Mwanarafa , A. M. ., and D. A. . Osoro (Ph.D). “Public Procurement Legal Framework and Performance of National Transport and Safety Authority, Kenya”. Journal of Procurement &Amp; Supply Chain, vol. 3, no. 1, May 2023, pp. 10-22, https://edinburgjournals.org/journals/index.php/journal-of-procurement/article/view/160.