Problematic Internet Use Among Greek University Students: An Ordinal Logistic Regression with Risk Factors of Negative Psychological Beliefs, Pornographic Sites, and Online Games. - Christos C. Frangos; Constantinos C. Frangos; Ioannis Sotiropoulos (Cyberpsychology Behav. Soc. Netw., 2011)

Critical review of the e-loyalty literature: a purchase-centred framework. - Aikaterini C. Valvi; Konstantinos C. Fragkos (Electron. Commer. Res., 2012)

Online and mobile customer behaviour: a critical evaluation of Grounded Theory studies. - Aikaterini C. Valvi; Constantinos C. Frangos; Christos C. Frangos (Behav. Inf. Technol., 2013)