Beglova, E. I., R. R. Sadyrtdinov, and L. A. Guseva. “Statistical Evaluation of the Equivalence Scale Based on Joint Accommodation for Households of the Russian Federation”. International Journal of Economics and Financial Issues, vol. 5, no. 3S, Dec. 2015, pp. 159-64, https://www.econjournals.com/index.php/ijefi/article/view/1706.