title: [Method of determining the economic effectiveness of research into the problems of improving working conditions].
mesh_terms: D004467:Economics; D008433:Mathematics; D009787:Occupational Medicine; D011890:Railroads; D012106:Research; D013647:Task Performance and Analysis; D014937:Work
vernacular_title: K metodike opredeleniia ékonomicheskoĭ éffektivnosti nauchnykh issledovaniĭ po voprosam uluchsheniia usloviĭ truda.