A. Eijkelenboom

Reducing Children's Aggressive and Oppositional Behaviors in the Schools: Preliminary Results on the Effectiveness of a Social-Cognitive Group Intervention Program

P. Muris, C. Meesters, M. Vincken, 2005 .

The self-report version of the Strengths and Difficulties Questionnaire: its psychometric properties in 8- to 13-year-old non-clinical children.

P. Muris, C. Meesters, M. Vincken, 2004, The British journal of clinical psychology.