Змій, С.О., Мороз, В.П. and Турчинов, Р.В. 2014. Modeling operations of warning railroad workers by station duty officers. Eastern-European Journal of Enterprise Technologies. 6, 3(72) (Dec. 2014), 26–29. DOI:https://doi.org/10.15587/1729-4061.2014.31353.