SKRYPCHUK, Petro, et al. “ENVIRONMENTAL CERTIFICATION OF TERRITORIES OF NATURAL AND ECONOMIC SYSTEMS AND UNITED COMMUNITIES: DIGITALIZATION AND BUSINESS PROCESSES FOR CIRCULAR ECONOMY”. Herald of Khmelnytskyi National University. Economic Sciences, vol. 318, no. 3, May 2023, pp. 295-04, https://doi.org/10.31891/2307-5740-2023-318-3-46.