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020 _a9789351610281
082 _a519.024
_bGUP/S
100 _aS P Gupta
245 _aStatistical Methods
260 _aNew Delhi
_bSultan Chand
_c2020
300 _a1432
650 _aMATH
942 _cBK
999 _c13621
_d13621