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1by Seminar on the Contribution of the Social Sciences to Economic Development, Beirut, 1957, Hofstra, S.programme and meeting document bibliotecaUNESCO
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2Distribution and Density of Vegetative Hydrilla Propagules in the Sediments of Two New Zealand Lakesarticle bibliotecaUNESCO
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3by Hofstra, N., Vermeulen, L.C., Derx, J., Florke, M., Mateo-Sagasta, Javier, Rose, J., Medema, G.
Published 2019-01-08T06:04:59ZbibliotecaCGIAR -
4by Wells, Rohan D.S., Hall, J.A., Clayton, J.S., Champion, P.D., Payne, G.W., Hofstra, D.E.
Published 1999article bibliotecaUNESCO -
5by 187854 Uyttendaele, M. (ed.), 187856 Canadian Inst. of Food Science and Technology, Toronto, Ontario (Canada) eng, 187855 Hofstra, N. (ed.)
Published 2015Texto bibliotecaFAO IT