De Leon, Hector S. The law on obligations and contracts / by Hector S. De Leon, and Hector M. De Leon, Jr. - 2011th revised edition. - Manila, Philippines : Rex Book Store, 2011. - xxiii, 465 pages : black and white illustrations ; 22 cm. ISBN: 9789712360046 Subjects--Topical Terms: Obligations and contracts (Law)--Philippines. Dewey Class. No.: FIL 346.599022 D346l 2011