https://www.ipsos.com/en/what-worries-world
https://theconversation.com/catalan-euskera-y-gallego-futuras-lenguas-oficiales-de-la-ue-213136
https://www.nature.com/articles/s41562-021-01056-1
https://www.dailymaverick.co.za/article/2023-10-12-how-much-can-we-rely-on-census-2022/