A. De Coro, S. Andreassi, R. Mariani, E. Iberni, V. Crisafulli, and A. Matarrese, “The evaluation of outcomes and process in psychotherapies offered by Mental Health Centers and an University Clinical Psychology Center”, RES PSYCHOTHER-PSYCH, vol. 13, no. 2, pp. 125–146, Feb. 2011.