REIJNDERS, Lucas. Difficult path to factor X. Ökologisches Wirtschaften - Fachzeitschrift, [S. l.], v. 14, n. 3, 1999. DOI: 10.14512/oew.v14i3.1027. Disponível em: https://oekologisches-wirtschaften.de/index.php/oew/article/view/1027. Acesso em: 5 dez. 2024.