Canlas-Farrales, Ma.Trinitas, <br/><br/>
Basic skills in math/ 
Ma.Trinitas Canlas-Farrales. 
 - Bulacan :  Trinitas Publishing, Inc.,  2009. 
 - iii, 170 pages :  illustrations, tables 
<br/><br/>Includes Bibliographical References 
<br/><br/><label>ISBN: </label>9789714207974 
<br/><br/><label>Dewey Class. No.: </label>510  / C16