Ocampo, Philip D.O. <br/><br/>
Pagsasanay na pangkaunlaran ng kabataan: :  YDT-2 panlalaki/ / 
Philip D.O. Ocampo. 
 - 186 p. :  ill. ;  25 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational education.<br/>Educational test and measurements.