Nusratullin, I. V., I. R. Kandaurova, S. V. Novikov, E. R. Galimov, and A. A. Kadyseva. “State Image Formation: Data from Russia”. Amazonia Investiga, vol. 8, no. 22, Sept. 2019, pp. 89-99, https://amazoniainvestiga.info/index.php/amazonia/article/view/31.