Wen HJ, JM Billy Lim and JM H. Lisa Huang (2003). “Measuring E.Commerce Efficiency: A Data Envelopment Analysis (DEA) Approach.” Industrial Management and Data Systems 103(8/9): 703-710.
Wen HJ, JM Billy Lim and JM H. Lisa Huang (2003). “Measuring E.Commerce Efficiency: A Data Envelopment Analysis (DEA) Approach.” Industrial Management and Data Systems 103(8/9): 703-710.