10-15. YÜZYIL SEYYAH VE MÜSLÜMAN COĞRAFYACILARINA GÖRE İSTANBUL-SOHUM DENİZ GÜZERGÂHININ LİMAN ŞEHİRLE (ACCORDING TO THE ITINERANTS AND MUSLIM GEOGRAPHERS PORT CITIES OF THE ISTANBUL-SUKHUMI SEA ROUTE IN THE 10-15. CENTURY) - ABDULHALİK BAKIR -- Fatih AKSOY | Cappadocia Journal of History and Social Sciences