Ymas, Sergio E., <br/><br/>
Elementary number theory / 
Sergio E. Ymas.  
 - 2013 edition. 
 - Valenzuela City, MM :  Ymas Publishing House,   2013. 
 - 300 pages ;  26 cm. 
<br/><br/><label>ISBN: </label>6858769413619 (NP) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory.
<br/><br/><label>LC Class. No.: </label>QA 241  / Y62 2013