Villegas, Bernardo M. <br/><br/>
Economics :  an introduction / 
Bernardo M.Villegas, Victor A.Abola 
 - 3rd ed. 
 - Manila :  Sinang Tala,  1982 
 - 328p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics