French Validation of the Internet Addiction Test. - Yasser Khazaal; Joël Billieux; Gabriel Thorens; Riaz Khan; Youssr Louati; Elisa Scarlatti; Florence Theintz; Jerome Lederrey; Martial Van der Linden; Daniele Zullino (Cyberpsychology Behav. Soc. Netw., 2008)

Why do you play World of Warcraft? An in-depth exploration of self-reported motivations to play online and in-game behaviours in the virtual world of Azeroth. - Joël Billieux; Martial Van der Linden; Sophia Achab; Yasser Khazaal; Laura Paraskevopoulos; Daniele Zullino; Gabriel Thorens (Comput. Hum. Behav., 2013)

Problematic involvement in online games: A cluster analytic approach. - Joël Billieux; Gabriel Thorens; Yasser Khazaal; Daniele Zullino; Sophia Achab; Martial Van der Linden (Comput. Hum. Behav., 2015)