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"Borja Valero comes home!" (Press release). violachannel.tv. 16 September 2020. Archived from the original on September 27, 2020. Retrieved 16 September 2020.
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"C.U. N°83/A (2014–15)"(PDF). Consiglio Federale (in Italian). FIGC. 20 November 2014. Archived from the original(PDF) on 10 October 2016. Retrieved 8 August 2017.
"Borja Valero comes home!" (Press release). violachannel.tv. 16 September 2020. Archived from the original on September 27, 2020. Retrieved 16 September 2020.