000 00267nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aK K Dewett/H L Ahuja
245 0 _aAadhunik aarthik siddhaant
260 _aDelhi
_bS. Chand
_c1971
650 _aEconomics
942 _cBK
999 _c652
_d652