Research and development is defined as a set of actions aimed at discovery of new elements, laws, technology or services and applying this knowledge to create a product or service improved, tehnological processes, which responds to market demands. Current economic crisis, should have made us...

Over time, trade has undergone profound changes gaining new features and valent forms as a result of trade and technology development. Electronic commerce is the use of value-added in a network applications such as electronic transfer of documents (EDI), the fax communication, bar codes, file...