Fishburn, P.C.( 1969), Utility Theroy for Decison Making, John Wiley and Sons, Inc. pp.234.
2.
Hu, K.P., Z.C. Xu and H.S. Chen (1989), Decision Analisys on Water Supply and Wastewater Disposal in Guangzhou City, Report SCIES(89)-WP-07, South China Institute for Environmental Sciences, NEPA.
Li, W.Z. , Y.H. Guo, Y.A. Gan et al.( 1982), Operatinal Research , Publishing House of Qinhua University.
5.
Zeng, F.T., Z.C. Xu and X.C. Chen (1988), Dynamic Modeling of Tidal Flow and Water Quality in Guangzhou Estuary, Report SCIES(88)-WM-12, South China Institute for Environmental Sciences, NEPA.