BARNA, Róbert; HONFI, Vid; MOLNÁR, Marcell. Economic calculation of alternate energy resources in households. REGIONAL AND BUSINESS STUDIES, [S. l.], v. 2, n. 2, p. 41–44, 2010. Disponível em: https://journal.uni-mate.hu/index.php/rbs/article/view/429. Acesso em: 5 dec. 2025.