Visibility in international rankings. Strategies for enhancing the competitiveness of Spanish universities. - Daniela De Filippo; Fernando Casani; Carlos García-Zorita; Preiddy Efraín-García; Elías Sanz-Casado (Scientometrics, 2012)

A bibliometric analysis of Technology Centres. - Fernanda Morillo; Preiddy Efraín-García (Scientometrics, 2015)