000 00505 a2200205 4500
001 139230
003 OSt
005 20211013160105.0
008
020 _a9788126515240
082 _a519.52
_bC64S
100 1 _aCochron, William G.
245 1 _aSampling techniques
_cby William G. Cochran
250 _a3rd ed.
260 _aNew Delhi
_bWiley India
_c2013
300 _a428p.
630 _aEconomics
630 _aSampling (Statistics)
942 _2ddc
_cBK
999 _c11941
_d11941