TY JOUR TI Calculating Costs of Engineering Obstacle Installations as Part of Engineering and Technical Protection Disciplines KW training KW training sample KW disciplines of engineering and technical protection KW engineering and technical protection of information KW engineering obstacles KW reinforced barbed wire KW concertina razor wire KW method of calculating the installation costs JO Bulletin of Kemerovo State University. Series: Humanities and Social Sciences AU Gavrishev, A.A. PY 2024 IS 8 PB Kemerovo State University