THE ROLE OF INNOVATION AND INVESTMENT ACTIVITY FOR REGION GAS TRANSPORT ENTERPRISES. Economic journal of Lesya Ukrainka Volyn National University, [S. l.], v. 3, n. 19, p. 30–37, 2019. DOI: 10.29038/2411-4014-2019-03-30-37. Disponível em: https://echas.vnu.edu.ua/index.php/echas/article/view/475.. Acesso em: 5 may. 2024.