TY CONF TI OPERATIONAL GUIDELINES FOR ORGANISATION OF DISTANCE TEACHING IN SECONDARY VOCATIONAL EDUCATION KW distance teaching KW training organisation KW operational guidelines KW secondary vocational education KW digital education transformation JO III International Conference "Interdisciplinary research of Science and Technology" AU Danilov, O.E. AU Korchak, E.V. AU Yugova, N.L. PY 2022 PB AUS PUBLISHERS