Díaz Ferrer, Y., Cruz Ramirez, M., Pérez Pravia, M. C. and Gómez Grey, E. (2022) “Attributes of expertise in expert candidates for educational research. Study based on doctoral theses”, Biblios Journal of Librarianship and Information Science, (81), pp. 16–27. doi: 10.5195/biblios.2021.909.