The role of individual and collective moral disengagement in peer aggression and bystanding: a multilevel analysis
Journal of Abnormal Child Psychology (2015) - Comment
pubmed: 25123080  doi: 10.1007/s10802-014-9920-7  issn: 1573-2835  issn: 0091-0627 

Gianluca Gini, Tiziana Pozzoli, Kay Bussey