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many thanks http://www.org/pubs/monographs/2008/RAND_MG697.
dear tutor if u can help me with writing an introduction please, i have a lots of references , i am posting some links .. many thankshttp://www.rand.org/pubs/monographs/2008/RAND_MG697.pdfhttp://www.irpp.org/po/archive/may05/sokolsky.pdfhttp://directory.cip.management.dal.ca/publications/Impact%20of%20port%20and%20trade%20security%20initiatives%20on%20maritime%20supply-chain%20management.pdf