Drucker, Peter F. Innovation and entrepreneurship : practice and principles / Peter F. Drucker. - 1st ed. - New York : Harper & Row, c1985. - xxi,346p.;ill includes index ISBN: 9781138019195 Subjects--Topical Terms: Small businessNew business enterprisesEntrepreneurship.Inovation LC Class. No.: HD2346. / D78 1985