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020 _c140
040 _aMAIN
041 _aEnglish
082 _a519.5
_bDAS
100 _aDas, N. G.
245 0 _aStatistical methods
_b: in commerce, accountancy &economics
260 _aCalcutta
_b; M. Das
300 _a500p.
_b, P.2
650 _aMathematics
650 _aStatistics
942 _cBK
999 _c127848
_d127848