Title:Agricultural extension and research : achievements and problems in national systems / Dennis L. Purcell, Jock R. Anderson Author:Purcell, Dennis Other authors:Anderson, Jock R.-1941 jt. auth. Publication information:World Bank ISBN:0821338781 Physical description:xxi, 282 p. : ill. ; 28 cm. Series title:A World Bank operations evaluation study Call number: 630.715 PUR Access from: General reading(at CDRI Library) Items: CDRI Library 008283 (008283) located at General 003463 (003463) located at General 008282 (008282) located at General