000			00472 a2200157 4500
082			_a311.21
090			_c3187 _d3187
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
999			_c7102 _d7102