Zawadzki, Łukasz, Agnieszka Zawadzka, and Agnieszka Dębska. “Suicidal Behaviour Issues – Crisis Intervention”. Journal of Education, Health and Sport 8, no. 4 (April 6, 2018): 20–29. Accessed June 28, 2025. https://apcz.umk.pl/JEHS/article/view/5401.