The role of employers, safety engineers and safety reps in the improvement of safety level at enterprisesHrenov, Georgi; Reinhold, Karin; Tint, Margus; Tint, PiiaSafety and Reliability - Safe Societies in a Changing World : proceedings of European Safety and Reliability Conference (ESREL 2018), June 17-21, 2018, Trondheim, Norway2018 / p. 2879-2887 : ill