SOBCZYŃSKI, M. Methodical problems in the process of development of the “Atlas of world political changes in 20th and 21st centuries”. Acta Universitatis Lodziensis. Folia Geographica Socio-Oeconomica, [S. l.], n. 21, p. 5–35, 2015. DOI: 10.18778/1508-1117.21.01. Disponível em: https://czasopisma.uni.lodz.pl/fgsoe/article/view/20856. Acesso em: 20 may. 2024.