Kohler, Heinz. <br/><br/>
Statistics for business and economics / 
Heinz Kohler. 
 - Glenview, Ill. :  Scott, Foresman and Company,  1985. 
 - xx, 770 p. : I-6. 
<br/><br/><label>ISBN: </label>0673158225 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial statistics.<br/>Վիճակագրություն