KACZMAREK, Hanna; ŁAWNIKOWSKA-KOPER, Joanna. The cultural dimension of town twinning on the example of Częstochowa and Pforzheim. Acta Universitatis Lodziensis. Folia Germanica, Poland, n. 13, p. 167–180, 2017. DOI: 10.18778/1427-9665.13.14. Disponível em: https://www.czasopisma.uni.lodz.pl/germanica/article/view/3561. Acesso em: 30 may. 2026.