000 00359nam a22001457a 4500
020 _a9788126515240
082 _a519.5
_bCOC/S
100 _aCochran, William G
245 _aSampling techniques /
_cWilliam G. Cochran
250 _a3rd ed.
260 _aNew Delhi :
_bWiley India,
_cc2014.
300 _axvi, 428 p. :
_bPB
650 _aSampling
942 _cBK
999 _c29412
_d29412