Kolko, D. J., Iselin, A. M., & Gully, K. J. (2011). Evaluation of the sustainability and clinical outcome of Alternatives for Families: Cognitive-Behavioral Therapy (AF-CBT) in a child protection center. Child Abuse & Neglect, 35, 105-163. Doi: 10.1016/j.chiabu.2010.09.004