Benelli, Enrico, Sara Filanti, Roberta Musso, Vincenzo Calvo, Stefania Mannarini, Arianna Palmieri, and Mark Widdowson. “TA Treatment of Depression: A Hermeneutic Single-Case Efficacy Design Study - ‘Caterina’”. International Journal of Transactional Analysis Research & Practice 8, no. 1 (January 31, 2017): 21-38. Accessed August 20, 2022. https://ijtarp.org/article/view/17414.