KOZYRA, Magdalena, ZIMNICKI, Patryk, KACZERSKA, Justyna, ŚMIECH, Natalia, NOWIŃSKA, Martyna and MILANOWSKA, Joanna. The effect of vitamin D on mental health – literature analysis. Journal of Education, Health and Sport. Online. 29 August 2020. Vol. 10, no. 8, pp. 398-407. [Accessed 12 October 2024]. DOI 10.12775/JEHS.2020.10.08.048.