Opetina, Leandro N. <br/><br/>
Grammar at work for college freshmen / 
Leandro N. Opetina. 
 - Manila :  Mindshapers,  c2007. 
 - ix, 264 p. : map, ill. 
<br/><br/> Includes bibliography. 
<br/><br/><label>ISBN: </label>978-971-0445-14-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--Study and teaching.