00627pab a2200193 454500008004000000100001900040245011400059260000900173300001500182362001200197650001800209650001000227700002000237700001700257773002700274909001000301999001700311952010500328180718b2004   xxu||||| |||| 00| 0 eng d  aPraduman Kumar  aTotal factor productivity of crop sector in the Indo-Gangetic plain of India: sustainability issues revisited  c2004  ap.169-201.  aJan-Jun  aCrops - India  aCrops  aMittal, Surabhi  aAnjani Kumar  aIndian Economic Review  a70120  c70120d70120  00104070aIIPAbIIPAd2018-07-19hVolume no: 39, Issue no: 14pAR70576r2018-07-19w2018-07-19yAR