000 00269nam a2200121 a 4500
999 _c275593
_d275593
020 _a9780070263505
082 _a519.23
_bDAS.1
100 _aDas, N.G
245 _a Statistical methods
260 _aNew Delhi,
_bMcGraw Hill
_c2018
300 _ax,449p.,
_b,
942 _cBK