LABURTSEVA О. “ffectiveness of arketing ctivity of an nterprise in onditions of isk”. NTERNATIONAL CIENTIFIC-RACTICAL OURNAL OMMODITIES ND ARKETS, vol. 24, no. 2, Dec. 2017, pp. 28-39, https://journals.knute.edu.ua/commodities-and-markets/article/view/1168.