ABRANTES, T. C. L.; ABRANTES, Tereza Cristina Lira de. (BrasilCentro de Ciências Jurídicas e Sociais - CCJSUFCGUniversidade Federal de Campina Grande, 2007-12-10)
Trade emerged as a form of human being to achieve what you did not have before
your needs, so during its evolution ceased to be represented by the exchange of
goods for an exchange between the product and currency. After ...