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Ames: Iowa State Press, 2002
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Popular Sciene Press and The World Bank, 2014
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World Bank, Washington, DC, 2015
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World Bank, Washington, DC, 2016
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World Bank, Washington, DC, 2015
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World Bank, Washington, DC, 2015
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World Bank, Washington, DC, 2011
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World Bank, Washington, DC, 2015
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World Bank Group, Washington, DC, 2014
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World Bank, Washington, DC, 2015
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World Bank, Washington, DC, 2011
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Washington, DC, 2013
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Elsevier BV, 2006
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Institut Pertanian Bogor, 2021
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Oxford University Press (OUP), 1990
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Elsevier BV, 1989
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Verlag Eugen Ulmer, 1993