BRYCH, Bohdan. Concept of energy service market enterprices’ development. Herald of Economics, [S. l.], n. 3(97), p. 211–224, 2020. DOI: 10.35774/visnyk2020.03.211. Disponível em: https://visnykj.wunu.edu.ua/index.php/htneu/article/view/1146.. Acesso em: 22 nov. 2024.