Villegas, Bernardo M. <br/><br/>
Managerial economics : text and case studies / 
Bernardo M. Villegas. 
 - Revised edition. 
 - Manila, Philippines :  Sinag-tala Publishers,Inc.,  c1993. 
 - 413 pages :  22 cm. 
<br/><br/> Includes Index and Bibliographical references. 
<br/><br/><label>ISBN: </label>9715540767 
<br/><br/><label>LC Class. No.: </label>HF5353  / V54 1993