1. The Analytic Hierarchy Process;Saaty,1980
2. Multicriteria Optimization of Civil Engineering Systems;Opricovic,1998
3. Methods for Multiple Attribute Decision Making;Hwang,1981
4. ELECTRE: Une méthode pour guider le choix en présence de points de vue multiples, note de travail 49, SEMA-METRA international, direction scientifique;Benayoun,1966
5. The outranking approach and the foundations of ELECTRE methods;Roy,1990