MOTEVA, M.; MARINOVA, B. Agricultural Land Protection by Spatial Planning in Bulgaria. Geomatics and Environmental Engineering, [S. l.], v. 14, n. 3, p. 89–105, 2020. DOI: 10.7494/geom.2020.14.3.89. Disponível em: https://gaee.agh.edu.pl/gaee/article/view/58. Acesso em: 25 aug. 2025.