Empirical Dates – Bertelsmann Stiftung
https://www.bertelsmann-stiftung.de/en/publications/publication/did/eupinions-policy-brief-0201601-what-millennials-think-about-the-future-of-the-eu-and-the-euro/
https://www.bertelsmann-stiftung.de/en/publications/publication/did/eupinions-policy-brief-0201601-what-millennials-think-about-the-future-of-the-eu-and-the-euro/