1. Gromov A. D., Platonova D. P., Semenov D. S., Pirova T. L. Dostupnost' vysshego obrazovaniya v regionakh Rossii [Availability of higher education in the regions of Russia]. Moscow, NIU VSHE Publ., 2016. 32 p.
2. Konstantinovsky D. L., Kurakin D. Yu., Roschina Ya. M., Vakhshtayn V. S. [The accessibility of quality education in Russia: opportunities and restrictions]. In: Voprosy obrazovaniya [Educational Studies Moscow], 2006, no. 2, pp. 186–201.
3. Ibragimova Z. F., Frants M. V. [Inequality of opportunity in school education: the role of territorial factors]. In: Sotsiologicheskij Zhurnal [Sociological Journal], 2021, vol. 27, no. 4, pp. 72–98.
4. Kargina E. M. [Profilisation of the educational environment at the stage of preschool education]. In: Privolzhskii nauchnyi vestnik [Privolzhsky Scientific Journal], 2014, no. 3, pp. 98–100.
5. Kosaretskii S. G., Frumin I. D. Rossiiskaya shkola: nachalo KhKhI veka [Russian school: the beginning of the XXI century]. Moscow, Izd. dom Vysshei shkoly ekonomiki Publ., 2019. 429 p.