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1Doctoral thesis bibliotecaWUR NL
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2book bibliotecaUNESCO
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3book bibliotecaUNESCO
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4
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5Doctoral thesis bibliotecaWUR NL
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6
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7Article/Letter to editor bibliotecaWUR NL
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8Part of book or chapter of book bibliotecaWUR NL
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9bibliotecaCGIAR
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10Part of book or chapter of book bibliotecaWUR NL
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11article bibliotecaUNESCO
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12Article/Letter to editor bibliotecaWUR NL
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13
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14Article in monograph or in proceedings bibliotecaWUR NL
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15
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16Article/Letter to editor bibliotecaWUR NL
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17Part of book or chapter of book bibliotecaWUR NL
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18by Koppelman, Stef J., Witteveen, Michel, JanssenDuijghuijsen, Lonneke, Baumert, Joseph L., Witkamp, Renger F., van Norren, KlaskeArticle/Letter to editor bibliotecaWUR NL
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19by Stuyt, L.C.P.M., Segeren, A.G., Witteveen, B., Lobbrecht, A.H., van der Windt, N., van Bakel, P.J.T., van Zanten, H.J.External research report bibliotecaWUR NL
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20by Jamin, Casper, Brouwer, Michael S.M., Veldman, Kees T., Beuken, Erik, Witteveen, Sandra, Landman, Fabian, Heddema, Edou, Savelkoul, Paul H.M., van Alphen, Lieke, Hendrickx, Antoni P.A.Article/Letter to editor bibliotecaWUR NL