Simon, Julian L. <br/><br/>
Basic research methods in social science :  the art of empirical investigation / 
Julian L. Simon. 
 - New York :  Random House,  [1969]. 
 - xiv, 525 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social sciences--Methodology.