Czaja, Ronald. <br/><br/>
Designing surveys : a guide to decisions and procedures / 
Ronald Czaja, Johnny Blair. 
 -  Pine Forge Press  1996. 
<br/><br/>6210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveys.<br/>Sampling (Statistics).
<br/><br/><label>LC Class. No.: </label>HA31.2  / Cza.