Doug Hall Poradie kníh (chronologicky)

Hall has packed this guide with hard-won insight as to what really works in the marketplace according to the six scientific laws that can make any business flow with good fortune.

Much like the classic megaseller A Whack on the Side of the Head, here is a proven method for increasing creativity up to 500% from a master marketing inventor filled with practical, tactical advice for not only thinking up new ideas, but developing and marketing them as well.