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\bibitem{JanssensdeBisthoven_etal2019} {\textquotedblleft}\textit{Conserving African biosphere reserves : a workshop on the valuation of ecosystem services in Man and the Biosphere Reserves}{\textquotedblright}. Janssens de Bisthoven L, Rochette A-J, Verheyen E, Akpona TJ-D, Verbist B, Vanderhaegen K, Naturinda Z, Van Passel S, Berihun D, Munishi L, Hug{\'e} J, Oryx \textbf{53}, 609 (2019).   http://doi.org/10.1017/S003060531900070X

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