00717naa#a2200193#i#450# EN\\bibl\50845 20240503142537.5 2658-4026 20220630b2022####ek#y0engy0150####ca RU Probabilistic assessment of social system efficiency in the face of negative factors Journal article Bryansk Bryansk State Technical University 2022 6 с. Journal article local Научно-исследовательские работы. Методы исследований. 001.891 Dvornikova Olga Fedorovna Samokhin Vasily Fedorovich Dvornikov Sergey Viktorovich bstu.editorum.ru