"Direct Marketing vs. Purchasing Center" is a book that opens up the world of marketing to the reader using the example of the opposition of two strategies: direct marketing and purchasing center. The author offers a deeper understanding of the importance of working with customers directly, directly involving them in the sales process. The book provides practical examples, advice and strategies that will help increase the effectiveness of marketing activities and gain a competitive advantage in the market. "Direct Marketing vs. Purchasing Center" will be a useful aid for marketing specialists, entrepreneurs and anyone interested in studying current trends in business and sales.