School Tourism as Part of Physical Education in the Light of Tourist Activities Declared by High School Students in Wrocław, Poland

Ekonomiczne Problemy Turystyki, Numer 3 (31) (2015) s. 259-285
Piotr Oleśniewicz, Mariusz Sołtysik, Julita Markiewicz-Patkowska, Justyna Cieplik