Asfahl,C. Ray  <br/><br/>
Industrial safety and health management/ 
C. Ray Ashfahl, David W. Rieske 
 - 6th edition  
<br/><br/> College of Engineering and Computer Studies  Bachelor of Science in Civil Engineering 
<br/><br/><label>ISBN: </label>978013236711 
<br/><br/><label>Dewey Class. No.: </label>613.62 As28