Padała, O., A. Krupa, M. Putowski, M. Konopelko, and E. Piasek. “The Efficacy of Art Therapy in Psychiatric Patients”. Journal of Education, Health and Sport, vol. 9, no. 8, Aug. 2019, pp. 377-83, https://apcz.umk.pl/JEHS/article/view/7324.