ZHEKOV, Z. Timeliness of the scientific and applied research. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, [S. l.], v. 2, n. 1, p. 5–12, 2023. DOI: 10.46687/jsar.v2i1.35. Disponível em: https://jsar.ftn.shu.bg/index.php/jsar/article/view/35. Acesso em: 7 nov. 2024.