Delman, Jorgen The agricultural extension system in China / Jorgen Delman - London : ODI , 1988 - 32p. : ill. ; 15 cm. - AAU. Research and Extension Network Paper No. 3 . Includes bibliographical references and index. ISBN: 09511873 Subjects--Topical Terms: Agricultural extension Gov. Doc. Class. No.: GB ODI AAU NP-3