SAYFULINA, F., E. GAFIYATOVA, D. HUSNUTDINOV, R. SAGDIEVA, and Z. ISKAKOVA. “Ecology Problem Updating in Tatar Literature of the 2nd-Half of the 20th-Century”. Utopía Y Praxis Latinoamericana, Vol. 25, no. 1, Aug. 2020, pp. 454-65, http://www.produccioncientifica.luz.edu.ve/index.php/utopia/article/view/33558.