Villegas, Bernardo M. <br/><br/>
Managerial economics / 
Bernardo M. Villegas. 
 - revised edition. 
 - Manila :  Sinag-tala,  c1993. 
 - 413 pages ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9711170663 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Econimics.