Hjalmarsson L and J Odeck (1996). “Efficiency of Trucks in Road Construction and Maintenance – an Evaluation with Data Envelopment Analysis.” Computer and Operations Research 2: 393-404.
Hjalmarsson L and J Odeck (1996). “Efficiency of Trucks in Road Construction and Maintenance – an Evaluation with Data Envelopment Analysis.” Computer and Operations Research 2: 393-404.