تعرف علي عالم التجارة الدولية من خلال اللينكات دي
http://thefutureofmoney.blogspot.com/2009/03/world-of-international-economics-1.html
http://thefutureofmoney.blogspot.com/2009/03/world-of-international-economics-2.html
http://thefutureofmoney.blogspot.com/2009/03/world-of-international-economics-3.html