"Hay, D.A." <br/><br/>
Industrial economics / 
D.A.Hay 
 - New York:  "Oxford university press,"  1986 
 - 649p. 
<br/><br/><label>ISBN: </label>0-19-877113-4 
<br/><br/><label>Subjects--Index Terms: </label>Industrial economics 
<br/><br/><label>Dewey Class. No.: </label>330  / HAY