Sales & marketing management 88 Sales 83 Sales & marketing 50 Market research 41 Purchasing. Selling. Sales personnel. Sales executives 35 Production & quality control management 34 Distribution & warehousing management 22 Economics 20 Sales and marketing 19 Commerce 18 Costs 16 Business studies: general 15 Sales and marketing management 14 Supply chains 14 Decision making 13 Business & management 12 Transport industries 12 Organizational theory & behaviour 11 Communication studies 9 Corporate governance 9 Marketing 9 Marketing research. Marketing research companies. Sales forecasting 9 Profitability 9 Electronic commerce 8 Purchasing 8 Sustainable development 8 Business strategy 7 Competition 7 Management & management techniques 7 Manufacture 7