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Today, knowledge and strategic knowledge as a valuable resource for the company's first strategic resource in the 21st century. Knowledge is a key resource for creating, enhancing and maintaining the economic benefits. Therefore, this paper first defines the concept of marketing knowledge management theories and a model reviewed in this context, and finally, is also suggestions offered.

Today, each country's entity is originated by production and in production; the product's diversity has an important role. The increasing significance in explaining the changes in the form organizations and industries, has led to a significant advancement in different areas of social sciences. In this article, diversity is divided into two parts: "related diversity" and "unrelated diversity".

Entrepreneurship be seen in a wide range of tasks. These tasks can be included from pure innovation to ordinary activities. Entrepreneurship can be found not only independently and individually, rather in all organizations be taken courageous decision and effect on resources composition and allocation. Entrepreneur within the organization is as basis of management. Entrepreneurship is a behavior not a specific attribute in entrepreneur personality. Entrepreneurship is into two forms entrepreneurship free and independent within the organization. Requisite creation entrepreneurship in every organization is consists the rapid rise of new competitors, create a feeling of distrust than traditional methods in companies, exiting the best work force from companies and their action to independent entrepreneurship. In this article it deals to entrepreneurial state and its concept, entrepreneurship environment and its benefits.

In this article, models and functional levels of information technology (IT) has been concerned by studying its concept and features, and recently it has been considered as one of the production sources in the efficacy function and its role has been examined in the economic performance of institutions, countries and other industries. Today, the significance and necessity of information systems is understood, since most organizations need such systems for their success. Its purposes include: decrease of costs, competitive intelligence, and quick response to the environment and competitors we are dealing with.