A.V, Yudenkov, Terentyev S.E., and Kovaleva A.E. “Informational Description of Systemic Crises”. International Journal of Engineering & Technology 7, no. 4.36 (December 9, 2018): 899–903. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/24917.