000 00349nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aSingh,Jasbir
245 _aDeterminats of agricultural productivity
260 _aHurukshetra
260 _bVishal
260 _c1985
300 _a508p.
650 _aEconomics
_aAgriculture
763 _a15015
999 _c38255
_d38255