Lim Kee Ann, David, <br/><br/>
Science smart workbook 6 / 
David Lim Kee Ann, Esmund Chua. 
 - Singapore :  Alston Publishing House Pte Ltd,  2012. 
 - 110 pages :  colored illustrations, tables ; 
<br/><br/> Includes bibliographical references. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9789814321884 
<br/><br/><label>Index Terms--Curriculum Objective: </label><br/>body systems-energy-food chains- adaptations- environment reversible-irreversible
<br/><br/><label>Dewey Class. No.: </label>500  / An71