Chang KP and PH Kao (1992). “The Relative Efficiency of Public-Versus Private Municipal Bus Firms: An Application of Data Envelopment Analysis The.” JPA: 67-84.
Chang KP and PH Kao (1992). “The Relative Efficiency of Public-Versus Private Municipal Bus Firms: An Application of Data Envelopment Analysis The.” JPA: 67-84.