Ndung’u, F. M., and M. C. Ndegwa. “TECHNICAL EFFICIENCY OF RAILWAY TRANSPORT SYSTEM IN KENYA: A CASE OF THE STANDARD GAUGE RAILWAY TRANSPORT SYSTEM”. African Journal of Emerging Issues, vol. 7, no. 4, Feb. 2025, pp. 106-22, https://www.ajoeijournals.org/sys/index.php/ajoei/article/view/787.