Exploring Science 1 : Workbook 1B 

 - 2nd Ed.; 
 - Singapore :  Oxford University Press,  1982. 
 - 51p.;  Col.ill.;  31cm 
<br/><br/><label>ISBN: </label>0195847660 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>507  / EXP