Byrns, Ralph T. <br/><br/>
Student guide for learning microeconomics  : to accompany Byrns/Stone, Microeconomics, sixth edition 
/ by Ralph T. Byrns 
 - 6th ed. 
 - USA:  HarperCollins College Publishers,  1995. 
 - 332p. 
<br/><br/><label>ISBN: </label>0673993434 
<br/><br/><label>Dewey Class. No.: </label>339  / BYR/S