ROMANIUK, Miłosz Wawrzyniec. The Role of Sail Training as a Factor Strengthening the Hardiness of Extraordinary Youth. Przegląd Badań Edukacyjnych (Educational Studies Review). Online. 25 June 2021. Vol. 1, no. 32, p. 179–192. [Accessed 19 August 2024]. DOI 10.12775/PBE.2021.010.