Choo, Julie <br/><br/>
Longman practice effective grammar / 
Julie Choo. 
 - 2nd 
 - Singapore :  Pearson Education South Asia Pte Ltd,  2009. 
 - 106 p. : ill.:  26 cm 
 - Effective grammar; primary 4 .
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-981-06-1707-3 
<br/><br/><label>LC Class. No.: </label>428.24 C45l