00418nam a22001457a 4500003000400000008004100004082001800045100002600063245009300089260003200182300000900214502001800223650001900241650001200260OSt260611b        |||||||| |||| 00| 0 eng d  a631.371bM29C  aMandal, Shashishekar   aCase Study of Tractor and Bullock Power Utilization in Harnaut Block of Nalanda District  aPusa, SamastipurbRAUc1993  a68P.  bM.Tech.d1993  aFarm Machinery  aM.Tech.