000 00531pab a2200169 454500
008 180718b2004 xxu||||| |||| 00| 0 eng d
100 _aSingh, Tejpal
245 _aInter-size and spatial analysis of productivity gaps in cotton crop in Punjab
260 _c2004
300 _ap.51-58.
650 _aAgricultural production - India - Punjab
650 _aAgricultural products - India - Punjab
650 _aAgricultural production
700 _aSharma, V.K.
773 _aIndian Journal of Regional Science
909 _a63489
999 _c63489
_d63489