JOHN K C. (1997). FARMER`S PARTICIPATION IN AGRICUTURAL RESEARCH & EXTENSION SYSTEM. CONCEPT PUBLICATION.
Lua i Stíl Chicago (17ú heag.)JOHN K C. FARMER`S PARTICIPATION IN AGRICUTURAL RESEARCH & EXTENSION SYSTEM. NEW DELHI: CONCEPT PUBLICATION, 1997.
Lua MLA (9ú heag.)JOHN K C. FARMER`S PARTICIPATION IN AGRICUTURAL RESEARCH & EXTENSION SYSTEM. CONCEPT PUBLICATION, 1997.
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