IDO World Jazz- and Modern Dance Championships 2012 and Ballet- and Productions World Cups - Frankfurt am Main https://tomastikovi.webnode.cz/news/ido-world-jazz-and-modern-dance-championships-2012-and-ballet-and-productions-world-cups1/
IDO EUROPEAN ACROBATIC DANCE, BALLET, JAZZ, MODERN AND CONTEMPORARY CHAMPIONSHIPS 2018 "VI. BALTIC DANCE OLYMPIAD" https://tomastikovi.webnode.cz/news/ido-european-acrobatic-dance-ballet-jazz-modern-and-contemporary-championships-2018-vi-baltic-dance-olympiad/