Cochran, William Gemmel. <br/><br/>
Sampling techniques 

 - 3 ed. 
 - New York :  Wiley,  1977 
 - 428 p.  ; gráfs. 
 - A Wiley publication in applied statisties .
 - A Wiley publication in applied statisties .
<br/><br/><label>LCCN: </label>22069 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Muestreo estadístico.
<br/><br/><label>Dewey Class. No.: </label>311.21  / C62 1977