Kočí, Jana. “What Do Czech Ninth-Graders Drink to Stay Hydrated?”. Acta Salus Vitae 6, no. 2 (December 17, 2018): 24–30. Accessed April 29, 2024. https://odborne.casopisy.palestra.cz/index.php/actasalusvitae/article/view/164.