Stéphane Billon (Dr Button): Γιατί επενδύουμε στην Ελλάδα
https://www.euro2day.gr/specials/interviews/article/2033687/st%C3%A9phane-billon-dr-button-giati-ependyoyme-sthn-el.html

https://www.euro2day.gr/specials/interviews/article/2033687/st%C3%A9phane-billon-dr-button-giati-ependyoyme-sthn-el.html