Rassafi AA and M Vaziri (2005). “Application of Data Envelopment Analysis in Identifying Milestones for Passenger and Freight Transportation Sustainability.” Scientia Iranica 12(4): 426-436.
Rassafi AA and M Vaziri (2005). “Application of Data Envelopment Analysis in Identifying Milestones for Passenger and Freight Transportation Sustainability.” Scientia Iranica 12(4): 426-436.