TY JOUR TI Digital transformation of higher education: technologies and digital competencies KW digital technologies KW digital transformation KW digitalization KW digital competencies KW digital educational environment KW individual educational trajectory KW modular-reverse education model JO Vestnik of Astrakhan State Technical University. Series: Economics AU Larionov, V.. AU Sheremetyeva, E.. AU Gorshkova, L.. PY 2021 IS PB Astrakhan State Technical University