Czarnecki, Mariusz, and Marta Sarnowska. “Awareness of Lower Silesian Residents of First Aid Procedures and the Use of Automatic External Defibrillator (AED) Device”. Journal of Education, Health and Sport 8, no. 8 (July 22, 2018): 481–495. Accessed December 27, 2025. https://apcz.umk.pl/JEHS/article/view/5687.