1. Proc. of The Fourth Int. Conf. on Operational Research;Howard,1966
2. Decision Analysis: Introductory Lectures on Choices Under Uncertainty;Raiffa,1968
3. Multiple Criteria Decision Making;Cochrane,1973
4. The Analytic Hierarchy Process: Planning, Priority Setting, Resource Allocation;Saaty,1980
5. Multiple Attribute Decision Making: Methods and Applications;Hwang,1981