Książek, K., A. Słowińska, K. Kozyra, K. Grabska-Kusiak, N. Ścirka, S. Mojsym-Korybska, and A. M. Jurek. “Assessment of Patient Knowledge and Awareness of the Occurrence of Addiction”. Journal of Education, Health and Sport, vol. 8, no. 4, Apr. 2018, pp. 89-98, https://apcz.umk.pl/JEHS/article/view/5407.