Friedman, Thomas L. The world is flat : a brief history of the twenty-first century / Thomas L. Friedman - New York : Farrar,Straus and Giroux, c2005. - viii, 488 p. : 24 cm. ISBN: 9780374292881 LCCN: Subjects--Topical Terms: Diffusion of innovationsSocial aspectsInformation society LC Class. No.: HM846 / .F74 2005