DEMETER, T.; BRĂTUCU, G. Modern Heating Systems - Population’s View and Perspectives. International Journal of Economic Practices and Theories, [S. l.], v. 4, n. 2, p. 230-238, 2014. Disponível em: http://inscriere.excelis.ase.ro/index.php/ijept/article/view/222-229%20Modern_Heating_Systems_Population_View_and_Perspective. Acesso em: 26 jul. 2026.