Muhammad, K., Ziyadullayevna, M. M., Salijonovna, S. Y., Jaxonovich, M. D. and qizi, M. M. H. (2021) “Problems of quality of distance learning online”, Linguistics and Culture Review, 5(S4), pp. 2439-2443. doi: 10.21744/lingcure.v5nS4.1993.