KOKUBU, Katsuhiko. On the Way to the Top. Ökologisches Wirtschaften - Fachzeitschrift, [S. l.], v. 16, n. 6, 2001. DOI: 10.14512/oew.v16i6.131. Disponível em: https://www.oekologisches-wirtschaften.de/index.php/oew/article/view/131. Acesso em: 17 mai. 2024.