Free Methodology for Multi-Criteria Assessment of the Efficiency of Decision-Making when Extinguishing Fires at the Objects of Oil and Gas Industry Valiev R.R., Khafizov I.F., Khafizov F.Sh., Sharafutdinov A.A. DOI: 10.24000/0409-2961-2021-4-63-69 Year: 2021 Issue num: 4 more