The relationship between socializing on the Spanish online networking site Tuenti and teenagers' subjective wellbeing: The roles of self-esteem and loneliness. - Vanessa Apaolaza; Patrick Hartmann; Esteban Medina; Jose M. Barrutia; Carmen Echebarria (Comput. Hum. Behav., 2013)

Resources for value co-creation in e-commerce: a review. - Mario R. Paredes; Jose M. Barrutia; Carmen Echebarria (Electron. Commer. Res., 2014)