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2023
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Geneve: International Organization for Standardization, 2007
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Geneve: International Organization for Standardization, 2017
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World Bank, Washington, DC, 2007
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Geneve: International Organization for Standardization, 2024
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Geneve: International Organization for Standardization, 2021
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Washington, DC, 2013
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World Bank, Washington, DC, 2009
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Geneve: International Organization for Standardization, 2021
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Geneve: International Organization for Standardization, 2014
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Geneve: International Organization for Standardization, 2023
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Geneve: International Organization for Standardization, 2017
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Wiley, 1995