"Hoong, Tho Lai" <br/><br/>
Science Practical 1B 

 -  oxford Press,,Nelson,Redspot,collins,Marshalk Cavendish,Federal,Pan Pacific,Pan Pacific Publications  1997 
 - 66 
<br/><br/><label>ISBN: </label>9789812084453 
<br/><br/><label>Dewey Class. No.: </label>570  / .4533