Interethnic Contacts in the East Kama Region in the 10th – Beginning of the 13th Centuries. Mediterr. J. Soc. Sci. [Internet]. 2015 Dec. 29 [cited 2024 May 7];6(6 S5):291. Available from: https://www.richtmann.org/journal/index.php/mjss/article/view/8561