00510nam a22001697a 4500003000400000008004100004082001600045100002600061245012700087260003900214300001000253502001000263650002700273650001900300650001100319650001000330OSt250311b        |||||||| |||| 00| 0 eng d  a338.1bS33E  aSharma, Rajeev Nayan.  aEconomics of Crop Sequences for Different Types of Land in Kalyanpur Block, Samastipur District / cby Rajeev Nayan Sharma  a.- Pusa, Samastipurb: RAUc, 1991  a118p.  bM.Sc.  aAgricultural Economics  aCrop Sequences  aThesis  aM.Sc.