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