TY - BOOK AU - Purcell,Dennis L. AU - Anderson,Jock R. TI - Agricultural extension and research: achievements and problems in national systems T2 - A World Bank operations evaluation study SN - 0821338781 AV - S544.6 .P86 1997 PY - 1997/// CY - Washington, DC. PB - International Bank for Reconstruction and Development KW - World Bank KW - Developing countries KW - Evaluation KW - Agricultural extension work KW - National agricultural research systems KW - Agricultural development projects N1 - Summaries in English, French and Spanish; Includes bibliographical references ER -