Stanislavovich Epifanov, S., A. Nokolaevich Zhuravlev, N. Stepanovich Vechkaev, R. Ruslanovich Sherkhov, y A. Sergeevich Sinelnikov. Security of Penal Institutions: Content and Technology. Universidad Y Sociedad, Vol. 12, n.º 4, July 2020, pp. 165-9, https://rus.ucf.edu.cu/index.php/rus/article/view/1627.