In the fifth article , Mr.Ja'farnejad asserts that in a dynamic environment with fast technological advances ,changes in the patterns of demand ,increasing world competition and shortening of product life cycles ,survival of an organization depend on its innovative strength and predicting the needs of new consumers . Within this context, attention to technical opportunities, production and marketing of new products is of special importance. In this article a procedure for management of new product development, from the initial stage of idea development to the final stages of production and marketing the product is presented. Some models ranging from simple to complex is suggested within this context. Today, the basis for modern theories of organization is composed of a kind of calculable rationality which considers utility of a theory a reason for its validity. In accordance with such way of thinking.