GUJARATI, Damodar N. <br/><br/>
BASIC ECONOMETRICS 

 - 4th Ed. 
 - New York  McGraw-Hill Book Company Inc., New York   1978 
<br/><br/><label>ISBN: </label>0 07 233542 4 
<br/><br/><label>Dewey Class. No.: </label>330.015 195  / GUJ/BA