THULIN JG. The Gymnaestrada in Zagreb ( July 10th-14th) and the Congress for Physical education (July 14th-17th, 1957). FIEP-Bulletin [Internet]. 17º de agosto de 2015 [citado 22º de julho de 2024];57(5-6). Disponível em: https://fiepbulletin.net/fiepbulletin/article/view/5407