Não informado. (1957). Higher education and research in the Netherlands. Netherlands Universities Foundation for International Cooperation.
Chicago-referens (17:e uppl.)Não informado. Higher Education and Research in the Netherlands. The Hague, Holanda: Netherlands Universities Foundation for International Cooperation, 1957.
MLA-referens (8:e uppl.)Não informado. Higher Education and Research in the Netherlands. Netherlands Universities Foundation for International Cooperation, 1957.
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