RUTKOWSKI, Maciej, ŚWIERSZCZ, Łukasz, ROSZKOWSKA, Anna, TARACHA, Anna and PIECEWICZ-SZCZĘSNA, Halina. Measles – are we dealing with a new epidemy in Poland?. Journal of Education, Health and Sport. Online. 10 September 2017. Vol. 7, no. 9, pp. 251-257. [Accessed 4 May 2025].