Second Bulgarian Empire Bulgarian-Serbian Wars Medieval Bulgarian Army Medieval Serbian army Heath, Ian and Angus McBride, Byzantine Armies 1118-1461 AD, (Osprey Publishing, 1995), 8.
Kedua negara ini kemudian dihancurkan oleh Kesultanan Utsmaniyah. ^ Heath, Ian and Angus McBride, Byzantine Armies 1118-1461 AD, (Osprey Publishing, 1995), 8.WikiMatrix WikiMatrix