Interethnic Contacts in the East Kama Region in the 10th – Beginning of the 13th Centuries. Mediterranean Journal of Social Sciences, [S. l.], v. 6, n. 6 S5, p. 291, 2015. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/8561.. Acesso em: 8 may. 2024.