mathematical models Decision making -- 4 Coporations -- 3 valuation -- 3 Management -- 2 Management science 2 Operation research 2 more ... Customer service 1 Decision - making -- 1 Decision -- 1 Industrial management -- 1 Internal rate of return 1 Lotus 1-2-3 (Computer program) 1 Real estate investment -- 1 Service industries quality control -- 1 Statistical methods 1 Underdevelop areas -- 1 Underdeveloped areas -- 1 cities and towns -- 1 city planning -- 1 making -- 1 rate of return -- 1 statistical methods 1 less ...