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\bibitem{Vanschoenwinkel_etal2014} {\textquotedblleft}\textit{Solar cooking in Senegalese villages : an application of best-worst scaling}{\textquotedblright}. Vanschoenwinkel J, Lizin S, Swinnen G, Azadi H, Van Passel S, Energy Policy \textbf{67}, 447 (2014).   http://doi.org/10.1016/J.ENPOL.2013.12.038

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