Błaszczyk , Natalia, Marietta Koźlarek, Magdalena Grajek, and Sylwia Jaskulska. 2022. “Health Prevention During the COVID-19 Pandemic Among Adolescents Studying in Poland in Different Types of Secondary Schools”. Studia Edukacyjne, no. 64 (March):89-106. https://doi.org/10.14746/se.2022.64.7.