Simon, Julian R <br/><br/>
Basic research methods in social science  the art of emperical investigation 

 - New York  Random house  1969 
 - xiv, 525 p.; 23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concepts of research<br/>Empirical research<br/>Research project<br/>Social science - research<br/>Social science - statistical methods