Environmental health and occupationa health and safety 
Afubwa obura samuel 
 - 1st edition 
 - Nairobi   Acrodile publishing ltd  2014 
 - 455p.  ill, 
<br/><br/>includes indexes 
<br/><br/><label>ISBN: </label>9789966007322 
<br/><br/><label>LC Class. No.: </label>RC 967 .A38 2014