Belyaeva, G. S., B. V. Makogon, R. V. Savelyeva, E. E. Tonkov, and N. I. Dolzhenko. “Security of the State Power Limits: Limit System”. Religación, Vol. 4, no. 13, Mar. 2019, pp. 174-80, https://revista.religacion.com/index.php/religacion/article/view/205.