De leon, Hector S.DE LEON, HECTOR M. JR <br/><br/>
Textbook on the philippine constitution. / 
HECTOR M. JR. De leon, Hector S.DE LEON 
 - li, 801 p.; 22 cm 
<br/><br/><label>ISBN: </label>9789712360077 9789789712366