BIRYUKOV, Vladimir, Olga Vladimirovna DMITRIEVA, Victoria Borisovna FROLOVA, Larisa Konstantinovna NIKANDROVA, & Andrey Borisovich ARKHIPOV. " Formation of a Tourism Entrepreneurial Environment in the Conditions of Competition." Journal of Environmental Management and Tourism [Online], 10.8 (2019): 1779-1784. Web. 26 Apr. 2024