Ahmad, Yusuf J. <br/><br/>
Elements of environmental management /  
Yusuf J. Ahmad. 
 - London :    United Nations Environment Programme,    1989 
 - xix, 44 p. ;    23 cm. 
<br/><br/>Includes bibliographic references: (p. 33-44) 
<br/><br/><label>ISBN: </label>0340506571 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environmental management.<br/> Environmental policy.