000 00309nam a22000977a 4500
008 240607b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aCalcutta statistical association
260 _aCalcutta:
_bCalcutta Statistical Association
942 _cCR
_2udc
999 _c63293
_d63293