http://www.wiadomosci24.pl/artykul/czego_boi_sie_swiat_334085.html Autor: stunt63 Mat. ilustr. http://www.raisingmiro.com/2014/01/25/how-we-overcame-fear-10-things-you-need-to-know-about-fear/ Licencja: CC4.0
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