Man in his working environment :   a workers' education manual. 

 - Geneva :   United Nations Environment Programme : International Labour Office ,  1979 
 - xii, 142p. :  ill. ;   25 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9221020606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature-- Effect of human beings on--Developing countries<br/>Conservation of natural resources--Study and teaching<br/>Conservation of natural resources--Developing countries
<br/><br/><label>Dewey Class. No.: </label>304.2  / ILO