SÜVEGES, G. B. Regional Characteristics of Hungarian District Heating Companies Based on their 2009-2017 Financial Reports, with Special Regard to the Rate of Accounts Receivable and to the Energy Efficiency of Household Consumers. Észak-magyarországi Stratégiai Füzetek, [S. l.], v. 17, n. 01, p. 4–16, 2020. DOI: 10.32976/stratfuz.2020.1. Disponível em: https://ojs.uni-miskolc.hu/index.php/stratfuz/article/view/4840. Acesso em: 21 szept. 2026.