Marszałek, Łukasz. (2015). The implementation of the concept of regional education in the light of the curriculum activities of the Pedestrian Tourist Club “Mikołajek” PTTK Słupsk. Journal of Geography, Politics and Society, 5(2), 19–24. Retrieved from https://czasopisma.bg.ug.edu.pl/index.php/JGPS/article/view/3721