OKERSON, Ann. Six Flavors of Open Access: Successes and Possibilities for STM Journals. LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 14, n. 3-4, 2004. DOI: 10.18352/lq.7785. Disponível em: https://liberquarterly.eu/article/view/10383.. Acesso em: 23 nov. 2024.