000 00331nam a2200133Ia 4500
008 220128s9999 xx 000 0 und d
020 _a9789353140984
100 _aChandrakant Singh
_92352
245 2 _aA Textbook of Mathematical Economics
260 _aDaya Publishing House
260 _c2014
947 _a3333
969 _h1
999 _c210596
_d210596