Scheaffer, Richard L. <br/><br/>
Elementary survey sampling 

 - 2 ed. 
 - North Scituate, Mass. :  Duxbury,  1979 
 - 278 p. 
<br/><br/><label>LCCN: </label>55866 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Muestreo estadístico.
<br/><br/><label>Dewey Class. No.: </label>519.52  / S2 1979