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Are you Sergey Khrystenko, author of the books below?
Macroeconomy of Internet Sphere with Complex Numbers by Sergey Khrystenko The Macroeconomy of the Educational Sphere with Complex Numbers by Sergey Khrystenko THE DEMOCRACY INDEX by Sergey Khrystenko The Dow Jones Index for Intellectual Sphere by Sergey Khrystenko Economy of Internet Sphere by Sergey Khrystenko Intellectual Sphere Economy by Sergey Khrystenko The Intellectual Sphere of the USA by Sergey Khrystenko The Macroeconomics of the Executive Power Branch by Sergey Khrystenko The Liberty Index by Sergey Khrystenko Economics by Sergey Khrystenko


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