De Leon, Hector S. <br/><br/>The law on obligations and contracts / Hector S. De Leon and Hector M. De Leon Jr. --  -- Manila, Philippines :  Rex Book Store,  2011.  <br/>xxiii, 465 p. ;  22 cm. <br/><br/><label>ISBN: </label>978-971-23-6004-6 <br/><br/><label>Subjects--Topical Terms: </label><br/>Obligations (law) -- Philippines.<br/>Contracts -- Philippines.<br/>Contracts.<br/>Obligations (law).<br/>Philippines.