TRACZ, M. Tendencies in development of education services in Poland – a case study of upper secondary education. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 29, n. 3, p. 147–160, 2015. DOI: 10.24917/20801653.293.11. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/2953. Acesso em: 3 may. 2024.