Purchasing Consumer behavior 162 Industrial procurement 49 Management 47 Business logistics 30 Decision making 28 Data processing 27 Electronic commerce 24 System design 22 House buying 21 Online data processing 20 Real estate investment 20 Materials management 17 Residential real estate 17 Food 16 Industrial management 14 Real property 14 Brand name products 12 Building 12 Building materials 12 Research 12 Consumers 10 Database design 10 Maintenance and repair 10 Automobiles 9 Finance 9 Mortgage loans 9 Small business 9 Superintendence 9 Advertising 8