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\bibitem{Thomassen_etal2020} {\textquotedblleft}\textit{A review on learning effects in prospective technology assessment}{\textquotedblright}. Thomassen G, Van Passel S, Dewulf J, Renewable \& Sustainable Energy Reviews \textbf{130}, 109937 (2020).   http://doi.org/10.1016/j.rser.2020.109937

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