The law on obligations and contracts  / 
De Leon, Hector S.; De Leon Jr., Hector M. 
 - 12th ed. 
 - Manila :  Rex Book Store,  2021. 
 - xxii,453p.; 22.6cm. 
<br/><br/>Includes study guide, answers to study guide 
<br/><br/><label>ISBN: </label>9786210404302 
<br/><br/><label>Dewey Class. No.: </label>Fil 346.599 D346 2021