00354nam a22001217a 4500003000400000008004100004082001800045100001800063245009200081260001600173300000700189650003600196OSt260530b        |||||||| |||| 00| 0 eng d  a631.372bA94C  aAvinash Kumar  aA Case Study of tractor Utilization Pattern in Rangra Chowk Block of Bhagalpur District  aRPCAUc2006  a31  aB.Tech Agricultural Engineering