MERLO-VEGA, José-Antonio. E-books in university libraries: resources, services and 20 key areas for development. Anuario ThinkEPI, [S. l.], v. 9, p. 087–096, 2015. DOI: 10.3145/thinkepi.2015.16. Disponível em: https://thinkepi.scimagoepi.com/index.php/ThinkEPI/article/view/thinkepi.2015.16. Acesso em: 7 may. 2026.