00518nam a22001697a 4500003000400000008004100004082001700045100002500062245014500087260003900232300001000271502001000281650002700291650000900318650001100327650001000338OSt250225b        |||||||| |||| 00| 0 eng d  a338.16bS48E  aSinha, Dhruv Kishor.  aEvaluation of Technological Progress in Bihar Agriculture With Special Reference to Rice : an econometric analysis / cby Dhruv Kishor Sinha  a.- Pusa, Samastipurb: RAUc, 1991  a173p.  bPh.D.  aAgricultural Economics  aRice  aThesis  aPh.D.