MACHADO, Jorge Alberto. “Open” or “half-open” Access?: Re-thinking Open Access Initiative (OAI) Policies. Observatorio (OBS*), [S. l.], v. 7, n. 1, 2013. DOI: 10.15847/obsOBS712013594. Disponível em: https://obs.obercom.pt/index.php/obs/article/view/594. Acesso em: 20 apr. 2024.