Guide To Health and Hygiene in Agricultural Work  

 - Geneva  International Labour Office  1979 
<br/><br/><label>ISBN: </label>92-2-101974-8 
<br/><br/><label>LC Class. No.: </label>613.62/ILO 
<br/><br/><label>Dewey Class. No.: </label>613.62/ILO