Cheng, Sheila,  1976- <br/><br/>
The effects of air pollution / 
Sheila Cheng 
 - Petaling Jaya :  Sama Publications & Distributors,  2010 
 - 22p. :  ill. ;  22cm. 
 - Kampung ceria .
 - Kampung ceria.  Environmental series .
<br/><br/> Includes questions 
<br/><br/><label>ISBN: </label>9789675084911 (set) 9789675084966 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers--Juvenile fiction<br/>Environmental education--Juvenile fiction
<br/><br/><label>Dewey Class. No.: </label>428.6