Czyż, R., and I. Górniak. “Assessment of Knowledge and Abilities in Using an Automated External Defibrillator by Students of Wroclaw Nonmedical Colleges”. Journal of Education, Health and Sport, vol. 7, no. 6, June 2017, pp. 22-33, https://apcz.umk.pl/JEHS/article/view/4500.