David, Apolinario C. <br/><br/>
Career service examination / 
Apolinario C. David, Honorina P. David, Enrique P. Santiago. 
 - Manila :  National Book Store,  1992. 
 - 75 pages  22 cm. 
<br/><br/><label>ISBN: </label>9710852868 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil service.