WARCHOŁA, Marcin. The Impact of Practising Tourism for the Forming of a Hierarchy of Values and Life Aspirations of Secondary Schools Teenagers in the Podkarpackie Province. Studia Paedagogica Ignatiana. Online. 14 July 2016. Vol. 19, no. 1, pp. 197-219. [Accessed 8 July 2025]. DOI 10.12775/SPI.2016.1.010.