Andreou, E. (2001). Bully/victim problems and their association with coping behavior in conflictual peer interactions amongst school-aged children. Educational Psychology, 21(1), 59-66.

Bijttebier, P., & Vertommen, H. (1998). Coping with peer arguments in school-age children with bully/victim problems. British Journal of Educational Psychology, 68(3), 387-394.

Ckarke, A.M., & Barry, M.M. (2010). An evaluation of the Zippy’s Friends emotional wellbeing programme for primary schools in Ireland. Gallway: Health Promotion Research Centre.

Cowen, E.L., Weissberg, R.P., & Guare, J. (1984). Differentiating attributes of children referred to a school mental health programme. Journal of Abnormal Child Psychology, 12(3), 397-409

Lazarus, R.S., & Folkman, S. (1984). Stress, appraisal and coping. New York : Springer Publishing Company.

Mishara, B. L., & Ystgaard, M. (2006). Effectiveness of a mental health promotion program to improve coping skills in young children: Zippy’s Friends. Early Childhood Research Quarterly, 21(1) 110-123.

Mishara, B., & Ystgaard, M. (2000). Exploring the potential for primary prevention: evaluation of the Befrienders International Reaching Young Europe pilot program in Denmark. Crisis: The Journal of Crisis Intervention and Suicide Prevention, 21(1), 4-7.

Monkeviciené, O., Mishara, B. L., & Dufour, S. (2006). Effects of the Zippy’s Friends programme on children’s coping abilities during the transition from kindergarten to elementary school. Early Childhood Education Journal, 34(1), 53-60.

Rowley, G., & Cook, J. (2007). Zippy’s Friends: developing curriculum resources to support the mental health needs of young people with special educational needs. In B. Carpenter & J. Egerton (Eds.), New horizons in special education: evidence-based practice in action (pp. 110-126). Clent: Sunfield Publications.

Wong, M. (2008). Helping young children to develop adaptive coping strategies. Journal of Basic Education, 17(1), 119-144.