1. Corporate social responsibility in global supply chains;Andersen;Supply Chain Manag. Int. J.,2009
2. Northern Lights in Logistics and Supply Chain Management;Arlbjørn,2008
3. Buying Business Services;Axelsson,2002
4. Firm resources and sustained competitive advantage;Barney;J. Manag.,1991
5. Looking inside for competitive advantage;Barney;Acad. Manag. Exec.,1995