De Leon, Hector S. The law on obligations and contracts / by Hector S. De Leon and Hector M. De Leon, Jr. - 2011 revised edition - xxiii, 465 pages ; 23 cm. ISBN: 9789712360046 Subjects--Topical Terms: Obligations (Law) -- Philippines.Contracts (Law)--Philippines. Dewey Class. No.: 346.59902