VIVCHAR, Oksana, et al. “FOREIGN ECONOMIC ACTIVITY OF ENTERPRISES: METHODOLOGY OF EFFICIENCY, INNOVATION AND INVESTMENT CONTEXTS CONTEXTS IN A SECURE DIMENSION”. Herald of Khmelnytskyi National University. Economic Sciences, vol. 304, no. 2(2), Mar. 2022, pp. 98-103, https://doi.org/10.31891/2307-5740-2022-304-2(2)-17.