RT Article T1 Cyberbullying versus face-to-face bullying: a theoretical and conceptual review JF Zeitschrift für Psychologie VO 217 IS 4 SP 182 OP 188 A1 Dooley, Julian J. A2 Pyżalski, Jacek A2 Cross, Donna LA English YR 2009 UL https://krimdok.uni-tuebingen.de/Record/1391713583 K1 Cyberbullying K1 Bullying DO 10.1027/0044-3409.217.4.182