Ganski, Uladzimir, Viktar Tsybouski, Vital Kazlovski, and Weidi Zhou. “Development of a Methodology for Managing of Service Packages Supply Differentiation in the Modern Tourist Market”. Business: Theory and Practice 21, no. 2 (August 18, 2020): 477-482. Accessed November 17, 2024. https://jcem.vgtu.lt/index.php/BTP/article/view/12385.