Phoon, W. O. <br/><br/>
Practical occupational health / 
by W. O. Phoon 
 - Singapore  :  P. G. Pub.,  1988 
 - 429  p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>9971973960 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupational Health