Zeng Z, P Gu and M Zhang (2000). “Application of Data Envelopment Analysis in the Evaluation of Sustainable Development.” System Engineering Theory and Practice 20(8): 114-118.
Zeng Z, P Gu and M Zhang (2000). “Application of Data Envelopment Analysis in the Evaluation of Sustainable Development.” System Engineering Theory and Practice 20(8): 114-118.