POLL, Christian; RUBIK, Frieder. Are we going for greener Products?. Ökologisches Wirtschaften - Fachzeitschrift, [S. l.], v. 21, n. 4, 2006. DOI: 10.14512/oew.v21i4.477. Disponível em: https://oekologisches-wirtschaften.de/index.php/oew/article/view/477. Acesso em: 2 mai. 2024.