00613naa#a2200169#i#450# EN\\bibl\81637 20250408205643.2 2221-3260 20230731b2023####ek#y0engy0150####ca RU Modeling of system for categories "challenge", "danger", "threat", "damage", "risk" based on comparison and analysis of their economic content Journal article Yaroslavl Yaroslavl State Technical University 2023 11 с. Journal article local Shekhova Nataliya V. Portunova Anastasiya Maksimovna theoreticaleconomy.ru