Therese L. Baker <br/><br/>
Doing Social Research  [Text] 

 - Second edition 
 - New York(State):  McGraw-Hill,  1994. 
 - 499 p. 
<br/><br/> п/12776 
<br/><br/><label>ISBN: </label>0070034923 
<br/><br/><label>Subjects--Index Terms: </label>experimental research field research ethical considerations