PETROVA, V. . CLASSIFICATION AND APPLICATION OF GNSS METHODS AND TOOLS IN THE STUDY OF NATURAL DISASTERS: CLASSIFICATION AND APPLICATION OF GNSS METHODS AND TOOLS IN THE STUDY OF NATURAL DISASTERS. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, [S. l.], v. 28, n. 1, p. 41–50, 2025. DOI: 10.46687/jsar.v28i1.423. Disponível em: https://jsar.ftn.shu.bg/index.php/jsar/article/view/423. Acesso em: 6 dec. 2025.