World Environment Day  June 2010 Bio-diversity connecting with nature - many species, one planet, one future /  [Book] : 
Pakistan Engineering Congress. 
 - Lahore :  Pakistan Engineering Congress,  2010. 
 - 160 p. ;  22 cm. 
<br/><br/> All. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arid regions--Conservation--International cooperation.<br/>Desert ecology--Conservation--International cooperation.<br/>Desertification.
<br/><br/><label>Dewey Class. No.: </label>636.7