00459nam a22001697a 4500003000400000008004100004082001800045100001800063245009000081260003900171300000900210502001000219650002700229650001200256650001100268650001000279OSt250306b        |||||||| |||| 00| 0 eng d  a338.161bL14E  aLalit Kishore  aEffect of Tractor use on the Farm Economy of Samastipur District / cby Lalit Kishore  a.- Pusa, Samastipurb: RAUc, 1997  a84p.  bM.Sc.  aAgricultural Economics  aTractor  aThesis  aM.Sc.