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edited by H.G. Brauch, U. Oswald Spring, C. Mesjasz, J. Grin, P. Kameri-Mbote, B. Chourou, P. Dunay and J. Birkmann, Hexagon Series on Human and Environmental Security and Peace, Vol. 5, Springer-V...
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Marwan Haddad (2012) studied this question.
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