00349nam a22001337a 4500003000400000008004100004082001800045100001400063245005100077260003400128300001300162650002900175650001100204OSt240804b        |||||||| |||| 00| 0 eng d  a631.372bS61T  aSoren, J.  aTractor Utilisation Pattern & Cost... District  aPusabAgri. Engineeringc2016  avii,22p.  aAgricultural Engineering  aThesis