000 00407 a2200157 4500
082 _a338.1
_bSCI
090 _c19134
_d29409
100 _aChattopadhyay, B.C.
_eed.
245 _aScience and technology for rural development
260 _aNew Delhi
_bS.Chand & Company Ltd
_c1992
_g1992
300 _axiii,573p.
_c22cm
650 _aEconomics
650 _aAgriculture
650 _aProduction
942 _cL
999 _c46908
_d46908