sustainable agriculture for development Conway, Gordon. creator Barbier, Edward 1957- International Institute for Environment and Development text Sterling, VA Earthscan c1990 monographic 205p.: Ill. Gordon R. Conway and Edward B. Barbier. "Earthscan publishes in association with the International Institute for Environment and Development." Includes bibliographical references and index. Sustainable agriculture S494.5.I5 C6 1990 630.9172/4 9781849710190 (hardback) 9781853830358 (hardback) 1853830356 (hardback) 2009038578 UOEL 000 20250508085627.0 15920673