1Clark, T.,Rajaratnam, D. and Smith, T.(1996), Toward a theory of international services: marketing intangibles in a world of nations,Journal of International Marketing, Vol. 4 No.2,pp.9-22.
2Dahringer, L.D.(1991), Marketing services internationally: barriers and management strategies, Journal of Service Marketing, Vol. 5 No.3,pp.5-17.
3Gary Knight(1999), International services marketing: review of research, 1980-1998,Journal of Services Marketing, Vol. 13 No.4/5,pp.347-360.
4Torban Vad and Anders Henten (2003), The internationalization of services: Trends and Barriers.