1. Vartanova EL (2018) Changing Russian media industry: theoretical approaches. Vestnik SPbGU. Yazyk i literatura 15 (2): 186–194. (In Russ.)
2. Gatov V (2016) Business models of modern media companies. Quo Vadis: chto proiskhodit onlain? Ponyat’, chtoby dvigat’sya vpered: sb. st. Moscow, pp. 12–24. (In Russ.)
3. Dugin EYa (2021) Media industry in the context of digital transformation. Moscow. (In Russ.)
4. Latham M (2021) The bookseller’s tale. Moscow: KoLibri, AzbukaAttikus. (In Russ.)
5. Nazarov MM (2015) TV audience measurements in the modern multi-screen environment. Moscow: Voskhod-A. (In Russ.)