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040 _beng
040 _cIN-NITTTR
041 _ahin
082 _a330.155 M432A
100 _aMathur, B.L
245 0 _aअर्थशास्त्र के सिद्धांत /
_cMathur,B.L
260 _aNew Delhi
_b Arjun publishing house
_c2023
300 _a335p.
942 _2ddc
_cBK
999 _c35096
_d35096