Links
What is the Economic North/South? - An explanation of the phrases ''First World'', ''Second World'' and ''Third World''
http://www.kesgrave.suffolk.sch.uk/Curric/geog/northsouth.html
MEDC's and LEDC's - An explanation of what MEDC''s and LEDC''s are
http://www.learn.co.uk/default.asp?WCI=Unit&WCU=10660