"කාන්තාරීකරණය" හි සංශෝධන අතර වෙනස්කම්

 

[http://en.wikipedia.org/wiki/Desertification]

[http://pubs.usgs.gov/gip/deserts/desertification/]

[http://www.bcb.uwc.ac.za/Envfacts/facts/desertification.htm]

[http://www.fao.org/desertification/default.asp?lang=en]