PIATNYTSKA Г., HRYHORENKO О., and NAIDIUK В. “nnovative otential of evelopment of atering nterprises in kraine”. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS", vol. 16, no. 2, Dec. 2013, pp. 29-43, https://journals.knute.edu.ua/commodities-and-markets/article/view/1369.