The role of the iron, copper, lead, and petroleum export sectors in the economic development of Brazil, Chile, Mexico, and Venezuela :

Naggar, Tahany Riad,2013-08-162013-08-161976http://hdl.handle.net/11244/4244x, 200 leaves ;Economics, General.Latin America Commerce.The role of the iron, copper, lead, and petroleum export sectors in the economic development of Brazil, Chile, Mexico, and Venezuela :Thesis