De Leon, Hector S. <br/><br/>
Textbook on the philippine constitution 
Hector S. De Leon 
 - 2005 ed. 
 - Manila, Philippines :   Rex Book Store,   c2005 
 - xlx, 530 p. ;   25 cm. 
<br/><br/><label>ISBN: </label>971-23-4207-7 
<br/><br/><label>Dewey Class. No.: </label>Fil. 342.2 D377 2005