Yadav, J. (1992). Evaluation of agricultural extension: A study of Haryana. Concept Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYadav, J.S. Evaluation of Agricultural Extension: A Study of Haryana. Concept Pub, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYadav, J.S. Evaluation of Agricultural Extension: A Study of Haryana. Concept Pub, 1992.
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