3Prescott J E. Introduction to the special issue on fundamentals of competitive intelligence. Competitive Intelligence Review, 1996, 7 ( Supplement 1 ) : iii - vi.
4Bouthillier F, Shearer K. Assessing competitive intelligence soft-ware : A guide to evaluating CI technology. New Jersey : Thomas H. Hogan, Sr. 2003 : 9 - 20.
5Fahey L. Competitors: Outwitting, outmaneuvering, and outperforming. New York: John Wiley & Sons, Inc. 1999: 150- 155.
6Fleisher C S, Bensoussan B E. Business and competitive analysis: Effective application of new and classic methods. New Jersey : Pearson Education, Inc. , 2007:57-74.
7Johnston R. Analytic culture in the U. S. intelligence community: An ethnographic study. Washington, DC: Center for the Study of Intelligence, CIA, 2005 : 33 - 44.
8Heuer R J Jr. Psychology of intelligence analysis. Washington, DC : Center for the Study of Intelligence, CIA, 2003 : xii - xxiv.
