Spilsbury, Richard,  <br/><br/>
Sumber bumi 

 - 47 pages :   colour illustrations ;   28 cm 
 - Siri fokus sains ITNM .
 - Siri fokus sains ITNM .
<br/><br/><label>ISBN: </label>9789830687445 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - Natural resources.
<br/><br/><label>Dewey Class. No.: </label>503