NOSIROVA , S. . THE IMPORTANCE OF ANCIENT AND MEDIEVAL WRITTEN SOURCES IN FOLK ORAL LITERATURE. Oriental Journal of Social Sciences, [S. l.], v. 6, n. 02, p. 141–145, 2026. DOI: 10.37547/supsci-ojss-06-02-18. Disponível em: https://supportscience.uz/index.php/ojss/article/view/3755. Acesso em: 28 feb. 2026.