Barreto Humberto Entrapreneure in Microeconomics theory;Disappearen Barreto Humberto - Routledge London 1989 - "xii,156p" cm. Bibliography p:145-52 ISBN: 0 415009294 Standard No.: 56451 Source: Reference Collections Subjects--Topical Terms: Profit Dewey Class. No.: "X:328, M9"