000			00365 a2200157 4500
020			_a9971512718
082			_a001.4222 _bCOC
090			_c5653 _d7631
100			_aCochran, William G.
245			_aSampling techniques
250			_a3rd.
260			_aDelhi _bJohn Wiley _c1999 _g1999
300			_axv, 428p. _c22cm.
650			_aSTATISTICAL METHODS
942			_cL
999			_c34511 _d34511