Reviewer for the Civil service examination:   professional and subprofessional levels/ 
Cecilio D. Duka [and two others] 
 - Manila:   Manila Review Institute,   2019. 
 - 252 pages;  25 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9789718590195 
<br/><br/><label>LC Class. No.: </label>Fil JQ 1412 .R49 2019