Blair, Johnny, <br/><br/>
Designing surveys :  a guide to decisions and procedures / 
Johnny Blair, Ronald F. Czaja, Edward A. Blair. 
 - Third edition. 
 - xiv, 424 pages :  illustrations ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781412997348 (pbk.)  RM176.05 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveys.<br/>Sampling (Statistics).