000 00448 a2200145 4500
020 _a8170992478
080 _a631.16
_bM896C
245 1 _aCrops, costs and variations (An investigation based on farm management studies)
_cby A. Mukhopadhyay
260 _aNew Delhi
_bMittal Publications
_c1990
650 _aFarm Management
100 1 _aMukhopadhyay, A.
300 _a415 p.
040 _aIARI, New Delhi
901 _a199314
999 _c79954
_d79954