De Leon, Hector S. <br/><br/>
Philippine constitutional law:   principles and cases/ 
Hector S. De Leon 
 - Volume 2 1999 ed. 
 - Rex book store, inc.,   c1999. 
 - xlv 1127 p. ;   23 cm. 
<br/><br/><label>ISBN: </label>971-23-2777-9 
<br/><br/><label>Dewey Class. No.: </label>Fil. 342.599 D377p 1999