Gioacchino Gelo, Omar Carlo, Silvia Salcuni, and Antonello Colli. 2013. “Text Analysis Within Quantitative and Qualitative Psychotherapy Process Research: Introduction to Special Issue”. Research in Psychotherapy: Psychopathology, Process and Outcome 15 (2):45-53. https://doi.org/10.4081/ripppo.2012.144.