Alferez, Merle S. <br/><br/>
My math tutor in algebra :   topics: distance and clock problems / 
Merle S. Alferez. 
 - Quezon City :  MSA Publishing House,  2004. 
 - 122 p.:  23 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9718740724 
<br/><br/><label>LC Class. No.: </label>512.0076 Al28m