SZYDŁOWSKI, Radosław, BODERA, Magdalena, PORWOLIK, Hanna, PORWOLIK, Agata, PORWOLIK, Agnieszka, KAŹMIERSKA, Anna, HAMERLA, Anna and GAWRON, Julia. The Effect of caffeine on cognitive processes, sleep and sports performance. Journal of Education, Health and Sport. Online. 20 December 2024. Vol. 75, p. 56541. [Accessed 26 December 2024]. DOI 10.12775/JEHS.2024.75.56541.