SLAEV, A. D.; KOVACHEV, A. Specific Issues of Urban Sprawl in Bulgaria. European Spatial Research and Policy, [S. l.], v. 21, n. 2, p. 155–169, 2015. DOI: 10.1515/esrp-2015-0010. Disponível em: https://czasopisma.uni.lodz.pl/esrap/article/view/7160. Acesso em: 12 may. 2024.