000 00503nam a2200157Ia 45e0
008 131111n ii |||gr||||Z||||||eng
020 _a0852261225
082 _a311.21
100 _aCochran, William G,
_eAuthor.,
245 0 _aSampling Techniques
_cWilliam G Cochran
_hTextual Documents
250 _a2nd.
260 _aSurat:
_bWestern India Book Corporation,
_c1963.
300 _a413.
653 _aTechnique
942 _2ddc
_cTXT
999 _c35219
_d35219