Ataev, Boris M., and Mariza O. Ibragimova. “Features of the Linguistic Situation in a Multilingual Area (the Case of Rutulsky District of the Republic of Dagestan)”. The New Research of Tuva, no. 4, Nov. 2022, pp. 106-13, https://doi.org/10.25178/nit.2022.4.8.