A study on comparative economics of tractor and bullock operated farms (district , Patna)

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1976 A STUDY ON COMPRATIVE ECONOMIC OF TRACTOR AND BULLOK OPERATED FARM ( DISTRICT PATNA) BY BIRENDRA KUMAR_compressed.pdf (22.15 MB)
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1976
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DRPCAU, Pusa
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https://krishikosh.egranth.ac.in/handle/1/5810179139
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