ZabaturinaI., KuznetsovaV., and OzerovaO. “Statistical Data Characterizing the Economical Aspects of the Development of Education in the Regions of the Russian Federation”. Voprosy obrazovaniya / Educational Studies Moscow, no. 2 (December 31, 2010): 269-296. Accessed January 14, 2025. https://vo.hse.ru/article/view/15000.