TY BOOK TI M-learning in project activities when teaching Russian as a foreign language KW Russian as a foreign language KW development of speech skills of reading KW speaking and writing KW teaching grammar of the Russian language KW innovative technologies in the educational process KW M-learning AU Kallisratidis, E.V. AU Korostova, S.V. AU Nefedov, I.V. AU Panteleev, A.F. AU Tretyakova, A.Y. AU Frolova, O.A. PY 2021 PB Publishing Center RIOR