ZOLOTAREVA О., MEREZHKO Н., and SHULGA О. “atural uilding tone arket in kraine”. NTERNATIONAL CIENTIFIC-RACTICAL OURNAL OMMODITIES ND ARKETS, vol. 25, no. 1, Mar. 2018, pp. 60-74, https://journals.knute.edu.ua/commodities-and-markets/article/view/938.