Willy Kiprotich Tonui <br/><br/>
Labatory Safety Handbook  :  A comprehensive trainig, guide for new staff and students health ,universities and research institution 
By Willy Kiprotich Tonui 
 - 2nd 
 - Nairobi  Foundation for safety books  2014 
<br/><br/><label>ISBN: </label>9966 811 559 978 9966 006 08 0