Sarnowska, Marta, Anna Leśków, Małgorzata Tarnowska, Andrzej Wysocki, Marek Pieńkowski, and Joanna Rosińczuk. 2018. “Post-Traumatic Stress Disorder”. Journal of Education, Health and Sport 8 (9):204-18. https://apcz.umk.pl/JEHS/article/view/5824.