"HOONG LAI  THO","LENG PECK HO" <br/><br/>
Science practical 1B 

 - Singapore.  Pan pacific publications;  2000, 
 - 64 
<br/><br/><label>ISBN: </label>9789812084309 
<br/><br/><label>Dewey Class. No.: </label>500  / 235_T