Mass & Energy Balance /  
Widdey Khalsom Bt. Edris [et. all..]    
 - Kuala Lumpur :  JPTEK,   2004.    
 - p. :  ill;   32cm    
<br/><br/> Modul    
<br/><br/>Includes index    
<br/><br/><label>ISBN: </label>0000000230