Kryshtal, V., H. Kozhyna, M. Markova, and L. Korovina. “The Dynamics of the Level of Social Functioning and Quality of Life of Patients With Schizophrenia As a Marker of the Effectiveness of Psychoeducational Programs”. Journal of Education, Health and Sport, vol. 7, no. 2, Feb. 2017, pp. 618-24, https://apcz.umk.pl/JEHS/article/view/4608.