1Degraeve,Z.,Labro,E.,Roodhooft,E..Total Cost of Ownership Purchasing of a Service:The Case of Airline Selection at Alcatel Bell[J].European Journal of Operational Research,2004,156(1):23-40
2Hannula,M.,Pirttim?ki,V..Business Intelligence-Empirical Study on the Top 50 Finnish Companies[J].Journal of American Academy of Business,2003,2(2):593-599
3Davison,L..Measuring Competitive Intelligence effectiveness:Insights from the Advertising Industry[J].Competitive Intelligence Review,2001,.12(4):25-38