Smith, Robert B. <br/><br/>
AN Introduction To Social Research  
Robert B. Smith 
 - United state of America:  Ballinger Publishing company,  1983. 
 - 402p. 
 - Volume I of Handbook of Social Science Methods .
<br/><br/><label>ISBN: </label>0884108902 
<br/><br/><label>Dewey Class. No.: </label>300.72  / SMI/A