Bertelli, R. 2019. The Application of an Expressive Arts Activity for the very First Session of Training of Personal and Professional Development of Cognitive-Behavioural Clinical Psychologists: Cognitive Content as Proxy Data to Study Core Beliefs. Advances in Social Sciences Research Journal. 6, 7 (Aug. 2019), 599–605. DOI:https://doi.org/10.14738/assrj.67.6841.