HUMMEL, Diana. Virtueller Wasserhandel. Ökologisches Wirtschaften - Fachzeitschrift, [S. l.], v. 22, n. 2, 2007. DOI: 10.14512/oew.v22i2.502. Disponível em: https://oekologisches-wirtschaften.de/index.php/oew/article/view/502. Acesso em: 5 mai. 2024.