Atrof-muhitni muhofaza qilishda xorij tajribasi. Journal of Universal Science Research, [S. l.], v. 1, n. 8, p. 333–339, 2023. DOI: 10.66301/jusr.v1i8.1844. Disponível em: https://universalpublishings.com/index.php/jusr/article/view/1844. Acesso em: 12 nov. 2026.