Janusz Mariański, Religious and Moral Condition of Upper Secondary School Students throughout the Years 1988–1998–2005–2017, Adam Marszałek Publishing, Toruń 2024, pp. 744
Mariański, J. (2024). Religious and Moral Condition of Upper Secondary School Students throughout the Years 1988–1998–2005–2017. Toruń: Adam Marszałek Publishing.