De Leon, Hector S. <br/><br/>Textbook on the Philippine constitution / by Hector S. De Leon.  - 2002 edition  - Manila :  Rex Book Store,  [date of publication not identified]  copyright 2002  - xlv, 516 pages ;  25 cm <br/><br/><label>ISBN: </label>9712334481 <br/><br/><label>Subjects--Topical Terms: </label><br/>Constitutional law--Philippines<br/><br/><label>LC Class. No.: </label>KPM 1750  / D3402 2002