González-Cabrera, Joaquín, et al. “Adaptation of the Nomophobia Questionnaire (NMP-Q) to Spanish in a Sample of Adolescents”. Actas Españolas De Psiquiatría, vol. 45, no. 4, July 2017, pp. 137-44, https://actaspsiquiatria.es/index.php/actas/article/view/278.