Vartanova M.L. Innovation activity in tourism and its state regulation // Journal of International Economic Affairs. — 2017. — Vol. 7. — № 2. — p. 209-222. — doi: 10.18334/eo.7.2.37566
Kostin K.B., Berezovskaya A.A. Modern technologies of the digital economy as a driver of growth in the world market of goods and services // Journal of International Economic Affairs. — 2019. — Vol. 9. — № 2. — p. 455-480. — doi: 10.18334/eo.9.2.40511