Social research    Principles and procedures 

 - New York  Longman USA        1979 
 - 354p  cm. 
<br/><br/><label>ISBN: </label>0582295017 
<br/><br/><label>Standard No.: </label>17531 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> SOCIAL SCIENCES<br/>RESEARCH METHODS
<br/><br/><label>Dewey Class. No.: </label>Sigma:f, L86