Colberg, Marshall R, et al. <br/><br/>
Business economics: Principles and cases 

 -  Surjeet Publications, Delhi  1987 
 - 539 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic statistics
<br/><br/><label>Dewey Class. No.: </label>330.0212  COL-B