de Belen, Elsa M...[et al.] <br/><br/>
College Algebra with Recreational Mathematics. 

 - 1st/ed. 
 - Philippines :  Ymas Publishing House,  c2007. 
 - 288p.  (np)  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Study and teaching--c2007--Philippines--newsprint