SAMINOVA, Z. . THE IMPORTANCE OF WRITTEN SOURCES IN THE STUDY OF THE EARLY MEDIEVAL PERIOD OF FERGANA. Journal of Social Research in Uzbekistan, [S. l.], v. 5, n. 03, p. 14–20, 2025. DOI: 10.37547/supsci-jsru-05-03-03 . Disponível em: https://topjournals.uz/index.php/jsru/article/view/438. Acesso em: 5 oct. 2025.