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\bibitem{Fret_etal2020} {\textquotedblleft}\textit{Combining medium recirculation with alternating the microalga production strain : a laboratory and pilot scale cultivation test}{\textquotedblright}. Fret J, Roef L, Diels L, Tavernier S, Vyverman W, Michiels M, Algal Research-Biomass Biofuels And Bioproducts \textbf{46}, 101763 (2020).   http://doi.org/10.1016/J.ALGAL.2019.101763

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