Nurulhuda Ismail,  <br/><br/>
Bahan semulajadi 

 - 36 pages :   illustrations, photographs ;   29 cm 
 - Siri sumber sains .
 - Siri sumber sains .
<br/><br/> Mengandungi soalan. 
<br/><br/><label>ISBN: </label>983075135X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources - Miscellanea - Juvenile literature. ; Science.
<br/><br/><label>Dewey Class. No.: </label>500