Customers who purchase encyclopedias from door-todoor salespeople are acquiring products through
1. the most efficient channel of distribution
2. the most common type of marketing channels
3. a direct-marketing channel
4. a business-to-business channel of distribution
5. none of thes
1. the most efficient channel of distribution
2. the most common type of marketing channels
3. a direct-marketing channel
4. a business-to-business channel of distribution
5. none of thes