KOCZISZKY, György; SOMOSI, Mariann Veresné. Opportunities for Increasing Efficiency by Public Utility Organizations. European Journal of Economics and Business Studies, [S. l.], v. 3, n. 1, p. 136–147, 2017. DOI: 10.26417/ejes.v7i1.p136-147. Disponível em: https://revistia.com/index.php/ejes/article/view/2952. Acesso em: 22 nov. 2025.