Samoilova, G., A. Komyshkova, O. Patsyukova, and E. Budaragina. “Old Slavonic Language As a Didactic Resource for Developing a Strong Language Student Personality”. Amazonia Investiga, Vol. 9, no. 29, May 2020, pp. 327-35, doi:10.34069/AI/2020.29.05.37.