SIROMSKA, Hanna, and Ruslan SIROMSKYI. “‘INTOURIST’ DEPARTMENT IN LVIV: LEGAL BASIS, ECONOMIC CONDITION AND EXCURSION ACTIVITY (the Mid-1960s)”. EAST EUROPEAN HISTORICAL BULLETIN, no. 31 (June 28, 2024): 121–129. Accessed November 23, 2024. http://eehb.dspu.edu.ua/article/view/306359.