000 00331nam a2200133Ia 4500
008 170101s1993 xx 000 0 und d
020 _a817099344x
082 _a338.9DAS
100 _aDas, Hem Chandra Lal
245 0 _aAgricultural efficency in India
260 _aNew Delhi
_bMittal
_c1993
300 _aP.386
942 _2ddc
_cBK
999 _c70131
_d70131