LIGONENKO Л., and KRASNEVITCH Г. “nnovative evelopment ector of rade in kraine”. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS", vol. 11, no. 1, June 2011, pp. 7-14, https://journals.knute.edu.ua/commodities-and-markets/article/view/1455.