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\bibitem{Graef_etal2014} Graef, F., Sieber, S., Mutabazi, K., Asch, F., Biesalski, H. K., Bitegeko, J., et al. (2014). Framework for participatory food security research in rural food value chains. \textit{Global Food Security}, \textit{3}(1), 8--15.

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