Salkind, Neil J. <br/><br/>
100 questions (and answers) about research methods 

 - พิมพ์ครั้งที่ 1 
 - Thousand Oaks, Calif :   SAGE,   2012 
 - 172 
<br/><br/><label>ISBN: </label>9781412992039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences-Research-Methodology.
<br/><br/><label>National Library of Medicine Call No.: </label>H 62   / S167O