A class-book of certificate science 

 - Singapore :  Preston,  1970 
 - v. :  ill. ;  22 cm. 
<br/><br/> 'Certificate Classbooks series' - preface 
<br/><br/> Physics -  Chemistry -  Biology  Part 1.  Part 2.  Part 3. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics<br/>Chemistry<br/>Biology