De Leon, Hector S. Comments and cases on obligations and contracts / Hector S. De Leon, Hector M. De Leon, Jr. - Seventh edition. - Manila : Rex Book Store, 2019. - xxxvii, 923 pahes ; 23 centimeter. Includes bibliographical references. ISBN: 9786210400069 Subjects--Topical Terms: Obligations (law)--Digest--Philippines.Contracts--Philippines. Dewey Class. No.: LAW 346.59902 D37c 2019