Villegas, Bernardo M. <br/><br/>
Manegerial economics/ 
Bernardo M. Villegas 
 - rev. ed. 
 -  Sinag-Tala Publishers, Inc.  c1977 
 - viii;420 p.  23 cm. 
<br/><br/> Include index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manegerial Economics
<br/><br/><label>LC Class. No.: </label>HD 30.22 V54 1977 F