Шидловська, Олена, and Оксана Арпуль. “KOUMISS THERAPY IN THE HOSPITALITY INDUSTRY”. SWorldJournal 3, no. 32-03 (July 30, 2025): 110–119. Accessed December 5, 2025. https://sworldjournal.com/index.php/swj/article/view/swj32-03-012.