TKACHUK Валентина. “valuation of uality il roducts”. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS" 17, no. 1 (June 3, 2014): 124–129. ccessed May 8, 2024. https://journals.knute.edu.ua/commodities-and-markets/article/view/1281.