Kebebew, B., and E. T. Quezon. “Comparative Analysis on Road Users’ Cost Using HDM-4 Software and Manual Technique: A Case of Addis Ababa-Adama Expressway”. Journal of Management Science & Engineering Research, vol. 5, no. 1, May 2022, pp. 64-75, doi:10.30564/jmser.v5i1.4468.