LUTSIV Н. ., ZHOLYNSKA Г. ., and SENYK Л. . “atural oney arket”. NTERNATIONAL CIENTIFIC-RACTICAL OURNAL OMMODITIES ND ARKETS, vol. 36, no. 4, Dec. 2020, pp. 43-56, doi:10.31617/tr.knute.2020(36)04.