How to measure engagement in Twitter: advancing a metric. - Miriam Muñoz-Expósito; M. Ángeles Oviedo-García; Mario Castellanos-Verdugo (Internet Res., 2017)

A knowledge structures exploration on social network sites. - Manuel J. Sánchez-Franco; Miriam Muñoz-Expósito; Angel Francisco Villarejo Ramos (Kybernetes, 2017)