Crop variety improvement and its effect on productivity the impact of international agricultural research /

Corporate Author: ebrary, Inc.
Other Authors: Evenson, Robert E.
Format: Book
Language:English
Published: Wallingford, Oxon, UK ; Cambridge, MA, USA : CABI Pub., c2003.
Subjects:
Online Access:http://site.ebrary.com/lib/ucy/Doc?id=10173518
Physical Description:xxv, 522 p. : ill.
Bibliography:Includes bibliographical references.