SINYAGIN, Y. V., and I. B. SHEBURAKOV, “Managerial Maturity As Integral Characteristic of manager’s Personality”, Статьи, Gosudarstvennaya Sluzhba, 24/6 (2022), 82-7, https://doi.org/10.22394/2070-8378-2022-24-6-82-87.