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\bibitem{Lehtonen_etal2018} Lehtonen, H., Palosuo, T., Korhonen, P., \& Liu, X. (2018). Higher Crop Yield Levels in the North Savo Region{\textemdash}Means and Challenges Indicated by Farmers and Their Close Stakeholders. \textit{Agriculture}, \textit{8}(7), 93.

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