ANDREEV, A.; ANDREEVA, G. Modeling of the river system of goliama kamchia. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, [S. l.], v. 2, n. 1, p. 50–57, 2023. DOI: 10.46687/jsar.v2i1.43. Disponível em: https://jsar.ftn.shu.bg/index.php/jsar/article/view/43. Acesso em: 4 dec. 2024.