A. O. Murtazaev and S. A. Magaramov, “DAGESTAN IN THE STRUGGLE OF THE PEOPLES OF THE NORTH-EAST CAUCASUS AGAINST FOREIGN INVADERS IN THE 15TH CENTURY”, ИАЭК, vol. 12, no. 4, pp. 5–15, Dec. 2016, doi: 10.32653/CH1245-15.