000			00868nam a2200313Ia 4500
008			210429s9999||||xx |||||||||||||| ||und||
020			_a0471029394
041			_aeng
082			_a001.4222 _bCOC
100			_aCochran, William G.
245		0	_aSampling techniques _cby William G. Cochran
250			_a3rd ed.
260			_aNew York: _bJohn Wiley and Sons, Inc. _c1977
300			_axvi, 428p., ref., ind. _c23 cm x 16 cm
365			_aINR _b280
650			_acluster sampling
650			_adouble sampling
650			_apercentages
650			_aproportion
650			_arandom sampling
650			_aratio estimators
650			_aregression estimators
650			_asample size
650			_astratified sampling
650			_asubsampling
650			_asystematic sampling
942			_2Dewey Decimal Classification _cBK
999			_c1908 _d1908