Tenaga dalam kehidupan 

 - 59 pages :   colour illustrations ;   29 cm 
 - Siri minda meneroka dunia sains .
 - Siri minda meneroka dunia sains .
<br/><br/><label>ISBN: </label>9789670366081 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy - Juvenile literature. ; Power resources - Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>333.79