Norazli Othman,   1973-  <br/><br/>
Pencemaran air 

 - vii, 20 pages :   colour photographs, colour illustrations ;   24 cm 
 - Siri alam sekitar .
 - Siri alam sekitar .
<br/><br/> Includes glossary 
<br/><br/><label>ISBN: </label>9789834613648 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection - Juvenile literature. ; Water - Pollution.
<br/><br/><label>Dewey Class. No.: </label>363.7