Orugbo, Ena E., Babakalli M. Alkali, Anjali Desilva, and David K. Harrison. “Alignment Model for Trunk Road Network Maintenance Outsourcing”. Journal of Civil Engineering and Management 22, no. 4 (April 27, 2016): 500-508. Accessed December 28, 2024. https://ijspm.vgtu.lt/index.php/JCEM/article/view/1328.