000			00472 a2200157 4500
999			_c233286 _d233286
003			Nust
005			20170306145036.0
008			170306b xxu||||| |||| 00| 0 eng d
040			_c0
082			_a311.21
100			_aCochran, William Gemmell.
245			_aSampling techniques _cWilliam Gemmell, Cochran.
250			_a3rd ed.
260			_aIslamabad: _b National Book Foundation, _c 1963.
300			_axvi, 428 p. : _bill. ; _c24 cm.
500			_aIncludes bibliographical references and index
650			_aSampling (Statistics)
942			_cBK _k311.21 COC _2ddc