Scheaffer, Richard L. Elementos de muestreo / Richard L. Scheaffer, William Mendenhall, Lyman Ott - México : Iberoamerica - xiii, 321 p. / 23 cm. ISBN: 968-7270-20-9 Subjects--Topical Terms: 1. ESTADISTICA 2. METODOS ESTADISTICOS LC Class. No.: QA276.6 S3418 Dewey Class. No.: 519.52 S747e