VOIGT, Maximilian. Open Education and Open Source for Sustainable Economic Activity. Ökologisches Wirtschaften - Fachzeitschrift, [S. l.], v. 36, n. O1, p. 25–27, 2021. DOI: 10.14512/OEWO360125. Disponível em: https://oekologisches-wirtschaften.de/index.php/oew/article/view/1789. Acesso em: 23 apr. 2024.