Piątek, M., K. Byzdra, J. Mikołajczyk, and R. Stępniak. “Comparison of Eating Habits Between Students of AWF Biała Podlaska and Students of AWFiS Gdansk”. Journal of Education, Health and Sport, vol. 7, no. 7, July 2017, pp. 1195-14, https://apcz.umk.pl/JEHS/article/view/5149.