The views of the orientalist Berthold Spuler on the foreign relations of the Mongol-Kipchak state during the reign of Mangutimur Khan (665-681 AH/1267-1282 AD(. JSHA [Internet]. 2025 Mar. 25 [cited 2025 Mar. 31];(95):637-54. Available from: https://jcoart.uobaghdad.edu.iq/index.php/2075-3047/article/view/1166