Jun Z, J Jin and J Wang (1994). “Data Envelopment Analysis (DEA) Method and Transport Enterprise Technique and Scale Effectiveness.” J Highway and Transportation Research and Development 11(4): 44-50.
Jun Z, J Jin and J Wang (1994). “Data Envelopment Analysis (DEA) Method and Transport Enterprise Technique and Scale Effectiveness.” J Highway and Transportation Research and Development 11(4): 44-50.