Experimenta 7 dias Grátis
Promoção válida para novos clientes. Após 7 dias será cobrado valor integral. Cancele quando quiser.
Sinopse
The purpose of this book is to make clear certain mental principles and processes, namely, those of Retention, Association and Recall. Incidentally, as with every book in this Course, it contains some facts and instructions of immediate practical utility. But primarily it is intended only to help prepare your mind to understand a scientific system for success-achievement.
