Improving agriculture extension : a reference manual / edited by Burton E. Swanson, Robert P. Bentz, Andrew J. Sofranko. - 2nd ed. , updated. - Rome : Food and Agriculture Organisation of the United Nations, 1977. - ix, 220 p : ill.

Updated ed. of : Agricultural extension. 2nd ed. 1984.
Prepared under the guidance of the Extension, Education, and Communication Service, Research, Extension, Training Division, Sustainable Development Department.

Includes bibliographical references.

9251040079 (pbk.)


Agricultural extension work --Handbooks, manuals, etc.

S544 I46