O. A. Aksyonova and D. V. Ivanova, “Modeling of Socio-economic Development of Regions of the Republic of Sakha (Yakutia) by Principal Component Analysis”, Administrative Consulting, no. 12, pp. 61–69, Dec. 2013, Accessed: Nov. 07, 2026. [Online]. Available: https://administrative-consulting.owebs.ru/article/view/12501