Case study on desertification. 

 - Pakistan  United Nations           1977 
 - vii,120p.  cm. 
<br/><br/> Glossary: 117-120p.; Appendix: 101-116p. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45,93:3:(U214).N77, L7/UN