JOHN K C. (1997). FARMER`S PARTICIPATION IN AGRICUTURAL RESEARCH & EXTENSION SYSTEM. CONCEPT PUBLICATION.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJOHN K C. FARMER`S PARTICIPATION IN AGRICUTURAL RESEARCH & EXTENSION SYSTEM. NEW DELHI: CONCEPT PUBLICATION, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJOHN K C. FARMER`S PARTICIPATION IN AGRICUTURAL RESEARCH & EXTENSION SYSTEM. CONCEPT PUBLICATION, 1997.
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