Topical Issues of Landscaping in Big Cities of Bulgaria. Varna Master Plan Case Study. project baikal, Irkutsk, Russian Federation, v. 8, n. 27, p. 122–129, 2011. DOI: 10.7480/projectbaikal.27.378. Disponível em: https://projectbaikal.com/index.php/pb/article/view/378. Acesso em: 10 may. 2026.