İSTANBUL VE ÇANAKKALE BOĞAZLARININ SAVUNMASI İÇİN OSMANLI DEVLETİ’NİN 1915 TARİHİNDEN ÖNCE YAPTIĞI BAZI ÇAL (SOME WORKS THE OTTOMAN GOVERNMENT BEFORE 1915 TO DEFENSE IN ISTANBUL AND ÇANAKKALE STRAWS) - Ahmet OĞUZ - | Cappadocia Journal of History and Social Sciences