Galitsky, Efim, and Mark Levin. “Expenses of Households on the Education of Children and Adults (according to the Results of the 3rd Stage of the Study The Economy of Education)”. Voprosy obrazovaniya / Educational Studies Moscow, no. 2 (December 31, 2010): 297-313. Accessed July 22, 2024. https://vo.hse.ru/article/view/15007.