PÉREZ FERNÁNDEZ, C. Changes in the PAPI service: registration requests, information on recent questions and others. Enredadera: journal of the CSIC Libraries and Archives Network, [S. l.], n. 14, p. 33–34, 2007. DOI: 10.20350/digitalCSIC/9753. Disponível em: https://enredadera.urici.csic.es/index.php/enredadera/article/view/634. Acesso em: 23 nov. 2025.