RT Article T1 Swedish and English secondary school pupils' attitudes towards, and conceptions of, bullying: concurrent links with bully/victim involvement JF Scandinavian journal of psychology VO 40 IS 4 SP 277 OP 284 A1 Boulton, Michael J. A1 Bucci, Eva A1 Hawker, David D. S. LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639611282 K1 Aggression K1 Schule K1 Schweden