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

 -  Richard D Irwin Inc, Illinois  1959 
 - 536 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic statistics
<br/><br/><label>Dewey Class. No.: </label>PG 330.0212  COL-B