Snedecor, George W. creator Cochran, William Gemmell 1909- coaut. text programmed text iau 1967 1937 6 ed. monographic eng xiv, 593 p. : il. ; 24 cm. specialized George W. Snedecor, William G. Cochran CONTROL DE CALIDAD ESTADISTICA MATEMATICA 658.568 S54 1967 0813815606 https://www.cicy.mx/sitios/sib/doctoelectronico/10192.pdf https://www.cicy.mx/sitios/sib/doctoelectronico/10192.pdf 110419 20260521090615.0 000010192