Гизбулаев, М.А. 2016. Tuhfat al-umara fi tarikh al-vuzara as a historical source in the study of Derbent in the 10th century. Vestnik of Saint Petersburg University. Asian and African Studies. 2 (Jun. 2016), 14–19. DOI:https://doi.org/10.21638/11701/spbu13.2016.202.