TY - BOOK AU - Hoffman,V. AU - Gerster-Bentaya,M. AU - Christinck,A. AU - Lemma,M. TI - Handbook rural extension: basic issues and concepts V.1 SN - 9783823615712 PY - 2009/// CY - Germany PB - Margraf Publishers KW - Agricultural extension N1 - Includes bibliographical references and index ER -