Oltman, Debra Olson. <br/><br/>
Statistics for business and economics / 
by Debra Olson Oltman, James R. Lackritz. 
 - Pacific Grove, Calif. :  Brooks / Cole Pub.,  1991. 
 - xxii, 984 p. 
<br/><br/><label>ISBN: </label>0534144306 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial statistics.<br/>Վիճակագրություն<br/>Economics--Statistical methods.<br/>Business--Statistical methods.