Karatayeva, T. A. ., E. V. . Danilova, O. T. . Parfenova, P. V. . Evseev, and E. E. . Kampeeva. “Development of the Republic of Sakha (Yakutia)’s Shadow Economy Assessment Methodology”. International Journal of Criminology and Sociology, vol. 9, Apr. 2022, pp. 1347-55, doi:10.6000/1929-4409.2020.09.155.