Timbreza, Florentino T. <br/><br/>Logic made simple / Florentino T. Timbreza.  - Quezon City :  Phoenix Pub.,  c1992.  - 242 pages <br/><br/><label>ISBN: </label>9710615505 <br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/><br/><label>LC Class. No.: </label>BC 108  / T55