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Washington, DC: World Bank, 2010 ; 2010
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Washington, DC: World Bank, 2011 ; 2011
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Washington, D.C: World Bank, 2009 ; 2009
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Washington, DC: World Bank, 2009 ; 2009
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Washington, D.C: World Bank, c2008 ; Online-Ausg.
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Washington, DC: World Bank, 2004-2008 ; Online-Ausg.
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Public Library of Science, 2014
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Public Library of Science, 2012
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Florence, Italy: UNICEF Office of Research - Innocenti, 2021
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Washington, DC, USA: World Bank Group, 2017
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Public Library of Science, 2015
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Washington, DC: World Bank, 2017
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Springer Science and Business Media LLC, 2022
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Elsevier BV, 2022
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Springer Science and Business Media LLC, 2020
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Public Library of Science (PLoS), 2017
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Wiley, 2000
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Elsevier BV, 1991
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Elsevier BV, 1991
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Frontiers Media SA, 2022