NEDKOV, S. .; ZHIYANSKI, M. .; BORISOVA , B.; NIKOLOVA, M. .; BRATANOVA-DONCHEVА S. .; SEMERDZHIEVA, L. .; IHTIMANSKI, I.; NIKOLOV, P.; AIDAROVA, Z. . A geospatial approach to mapping and assessment of urban ecosystem services in Bulgaria. European Journal of Geography, [S. l.], v. 9, n. 4, 2019. Disponível em: https://www.eurogeojournal.eu/index.php/egj/article/view/54. Acesso em: 18 oct. 2025.