SEJNOWSKA, Natalia, DOBKO, Katarzyna, FRĄCZ, Gabriela, GLAC, Agata, KULIGA, Klaudia, MUSZ, Kinga, SOCHA, Agnieszka, SUROWIEC, Agata, ŚNIEŻEK, Kinga and ZAJĄC, Anna. Evaluation of the frequency of e-cigarette usage among high school students and factors that influence vaping. Adolescents’ knowledge of chemical composition of e-cigarettes and side effects. Journal of Education, Health and Sport. Online. 18 July 2023. Vol. 16, no. 1, pp. 88-105. [Accessed 28 June 2025]. DOI 10.12775/JEHS.2023.16.01.010.