Все разделы
  • @
  • «»{}∼
The Commitment Engine

The Commitment Engine

2803 руб.
Добавить в корзину
John Jantsch is a marketing and digital technology consultant, an award-winning social media publisher, and the acclaimed author of Duct Tape Marketing and The Referral Engine. He blogs at the Ducttapemarketing.com and lives in Kansas City, Missouri.