1. An Information Processing Theory of Consumer Choice;Bettman,1979
2. Taxonomy of Buying Decision Approaches;Bunn;Journal of Marketing,1993
3. New Twist on Supplier Evaluation;Busch;Purchasing,1962
4. Picking a Supplier/Carrier: Science or Art?;Cavinato;Distribution,1991
5. Vendor Selection with Price Breaks;Chaudnry;European Journal of Operational Research,1993