De Leon, Hector S The Law on obligations and contracts / Hector S. De Leon, and Hector M. De Leon, Jr. - 2011 rev. ed. - Manila : Rex Book Store, 2011. - xxiii, 465 p. ; 23 cm. ISBN: 9789712360046 Subjects--Topical Terms: Obligations (Law) Philippines. Contracts Philippines. LC Class. No.: KPM810 / .D44 2011