Villegas, Bernardo M <br/><br/>
Managerial economics / 
Bernardo M. Villegas. 
 - Rev. ed 
 - Manila :  Sinag-Tala,  c1993. 
 - 413 p. : ill. 
<br/><br/> Includes appendices, glossary, and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics<br/>Business