What Would the World Look Like Without marketing 6th edition by grewal and levy ebook?

https://www.goodreads.com/topic/show/20768708-10-things-we-all-hate-about-review-of-funnels

The acquisition channel, or purchasing funnel, is a consumer concentrated advertising version which shows the theoretical customer journey towards the purchase of a great or service. In 1898, E. St. Elmo Lewis