TY JOUR TI THE PRINCIPLE OF SYSTEMATIZATION AND CONSISTENCY IN TEACHING RUSSIAN SIGN LANGUAGE TO POLICE OFFICERS IMPLEMENTATION KW russian sign language KW professional competence KW speech behavior KW communicative task KW dacty lology KW sign language JO Bulletin of Ufa Law Institute of the Ministry of Internal Affairs of Russia AU Posidelova, V.V. AU Horoshko, E.Y. AU Reznikova, A.Y. PY 2022 IS 2022 PB Ufa Law Institute of the Ministry of Internal Affairs of Russia