KULESHOV, Viacheslav Sergeyevich. The System of Economic Foundations of Old Rus’ Sociopolitical Development (Mid-8th -Early 11th centuries). Administrative Consulting, [S. l.], n. 3, p. 202–208, 2016. Disponível em: https://administrative-consulting.owebs.ru/article/view/13055. Acesso em: 8 nov. 2026.