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041 _aEnglish
084 _aX:(B28)
_bL8
100 _aD N Elhance
245 0 _aPractical problems in statistics
260 _aDelhi
_bKitab Mahal Distributor
_c1978
300 _ap.623
650 _aCommerce
942 _cBK
999 _c304304
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