Benelli, Enrico, Francesco Scottà, Serena Barreca, Arianna Palmieri, Vincenzo Calvo, Guido de Rénoche, Stefano Colussi, Marco Sambin, and Mark Widdowson. 2016. “TA Treatment of Depression: A Hermeneutic Single-Case Efficacy Design Study - ‘Penelope’”. International Journal of Transactional Analysis Research & Practice 7 (1). https://doi.org/10.29044/v7i1p19.