Szymańsk, Elżbieta, Ewa Dziedzic, and Andrzej Rutkowski. “Organisational Innovations in Health Resort-Based Tourism”. Business: Theory and Practice 180 (May 3, 2017): 54-63. Accessed December 23, 2024. https://jcem.vgtu.lt/index.php/BTP/article/view/8154.