Jimenez Bernal, Miriam, and Marta Abanades. “Digital Competence in 21st Century Teachers: Usage Habits and Self-Perception”. EDUTECH REVIEW. International Education Technologies Review Revista Internacional De Tecnologías Educativas, vol. 3, no. 2, Oct. 2016, doi:10.37467/gka-revedutech.v3.151.