Perona Garcelán, Salvador, and Carlos Cuevas Yust. “Effectiveness of Individual Cognitive-Behavior Therapy Applied to Psychotic Symptoms. 1. A Revision of Single-Case Experimental Designs Applied to the Treatment of Delusions”. Apuntes de Psicología, vol. 17, no. 1-2, June 1999, pp. 31-48, https://doi.org/10.55414/dgvafj75.