De Leon, Hector S. The law on obligations and contracts / Hector S. De Leon, Hector M. De Leon, Jr. - 12th Edition. - Quezon City : Rex Book Store, 2021 - xxii, 453 pages ; 23 cm. ISBN: 978-621-04-0430-2 Subjects--Topical Terms: CONTRACTS--CONFLICTS OF LAWS LC Class. No.: FIL KPM 810 .D45 2021