Freed, E.J. <br/><br/>
Basic business statistics / 
by E.J. Freed. 
 - San Diego, Calif. :  Harcourt Brace Jovanovich,  1991. 
 - xi, 395 p. 
<br/><br/><label>ISBN: </label>0155049003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն<br/>Commercial statistics.