1. Analyzing the Relative Power of Participants in Industrial Buying Decisions;Cooley,1977
2. The Engineer and the Purchasing Agent Compared;Pingry;Journal of Purchasing and Materials Management,1974
3. Role Differentiation in Industrial Buying Decisions;McMillan,1976
4. Industrial Buying and Creative Marketing;Robinson,1967
5. The Engineer and the Purchasing Agent Compared;Pingry;Journal of Purchasing and Materials Management,1974