W. Stelmach, E. Bąk-Walczak, M. Zawadzka, A. Kowalska, and M. Bryła, “Education in public health major at Polish medical universities in the aspect of the Bologna Process”, Pol J Public Health, vol. 122, no. 3, pp. 233–239, Sep. 2012, doi: 10.12923/j.0044-2011/122/3/a.02.