Dears ; We are a group of experts in the national statistical office of Iran ,working on a project related to the establishment of system of register data in different fields as manufaturing , business ,culture, education ,etc. I should be much obliged if yoy would kindly provide me with information on sources in this regard. Thanking you very much in advance; yours sincerely:Amin hasanzadeh. __________________________________________________ Do You Yahoo!? Get email at your own domain with Yahoo! Mail. http://personal.mail.yahoo.com/