ZIEGLER, Ferdinand; ROBINSON, Aaron. Economic Viability of Efficiency Houses for Social Housing in Germany. International Journal of Economics and Financial Issues, [S. l.], v. 15, n. 4, p. 63–71, 2025. DOI: 10.32479/ijefi.16998. Disponível em: https://econjournals.com/index.php/ijefi/article/view/16998. Acesso em: 5 dec. 2025.