Progress in rural extension and community development vo.1: exten sion and relative advantage in rural development / edited by Gwyn E. Jones and Maurice J.Rolls. - Chichester : John Wiley, 1982 - x,336 p. : ill. ; 23 cm. Includes biblographical references. ISBN: 0471100382 Subjects--Topical Terms: Rural development. Dewey Class. No.: 307.72