5Koopman,R.,Powers,W.,Wang,Z.,& Wei,S. J.,2010, "Give credit where credit is due :Tracing value added in global production chains." National Bureau of Economic Research, No. w16426.
6Low,P.,2013,"The Role of Services in Global Value Chains." Elms and Low.
7Sauve, P. A Plurilatera| Agenda for Service? Assessing the Case For a Trade in Service Agreemetn (TISA) [ R ] , Swiss National Centre of Competence in Re- search, Working Paper, No.20130529,2013.
8Correa, Carlos Maria. Intellectual Property Rights, The WTO and Develo- ping Countries: The Trips Agreement and Policy Options[ M] , Zed Books,2000.