NORMATIVE-LEGAL REGULATION OF ACTIVITIES OF GAS RISING AND GAS TRANSPORT ENTERPRISES IN REGIONS OF UKRAINE. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2019 Sep. 27 [cited 2024 Dec. 22];3(19):90-8. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/485