MARÍ­N-ARRAIZA, Paloma. Persistent identifier systems´ maturity: opportunities in the Spanish context . Anuario ThinkEPI, [S. l.], v. 16, 2022. DOI: 10.3145/thinkepi.2022.e16a06. Disponível em: https://thinkepi.scimagoepi.com/index.php/ThinkEPI/article/view/91531. Acesso em: 20 may. 2024.