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2. Critical perspectives;DG Arnold,2012
3. Bird, Frederick Bruce. 1996. Muted conscience: Moral silence and the practice of ethics in business. Westport: Quorum Books.
4. La Collection Repères;M Bonnafous-Boucher,2014
5. Bowie, Norman E. 1999. Business ethics: A Kantian perspective. New York: Basil Blackwell.