000 00383nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a338.432
_bMUK
100 _aMUKOPADHYAY, Sudhin K
245 0 _aSources of variation in agricultural productivity: A cross section time series study in India.
260 _aDelhi
_bMacmillan
_c1976
650 _aAgricultural economics
942 _cBK
999 _c25018
_d25018