000 00293cam a22001097a 4500
008 180718b1985 xxu||||| |||| 00| 0 eng d
082 _aZ08 M474
100 _aMehta, Prakash
245 _aOperations research in agriculture
_cby Prakash Mehta
260 _aDelhi
_bAshish
_c1985
300 _a258+p.
999 _c428121
_d428121