Szopa, M., Leśków, A., Tarnowska, M., Sarnowska, M., Wysocki, A., Pieńkowski, M., & Wrzesiński, J. A. (2018). Biosafety and biological factors. Journal of Education, Health and Sport, 8(9), 973–982. Retrieved from https://apcz.umk.pl/JEHS/article/view/5993