IVANOV, S. . SPATIAL DATA MODELS: SPATIAL DATA MODELS. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, [S. l.], v. 20, n. 1, p. 40–46, 2023. DOI: 10.46687/jsar.v20i1.303. Disponível em: https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/303. Acesso em: 7 nov. 2024.