wykazali

Said in one Polish podcast line.

• Panowie Earp i Harvey z Duke University wykazali,

  Messrs. Earp and Harvey from Duke University have demonstrated,

  

  Bartek Szyma Podcast o GospodarceCzy złoto faktycznie chroni przed inflacją, spadkami na giełach i wojnami?

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Polish books and courses on Amazon (affiliate link).