6Herath G. Incorporating community objectives in improved wetland management: the use of the analytic hierarchy process [ J ]. J Environ Manag, 2004, 70(3):263-273.
7Tzeng GH. Compromise solution by MCDM methods: A comparative analysis of VIKOR and TOPSIS[ J], Eur J Operat Res, 2004, 156 (2) :445-455.