Ovsyannikova T.L. «PRINCIPLES OF PERSONAL-ACTIVITY APPROACH IN DISTANCE TEACHING MATHEMATICS» // Open and distance education 2014. №2 (54) C.77-83
Korneeva M.A., Gural S.K. «Integration of case study method in the process of foreign language teaching in the conntext of modern tendencies of educational development» // Language and Culture 2017. №38 C.190-206