KOCHKURKINA, S. I.; SUMMANEN, I. M. FISHING OF THE POPULATION OF NORTH-WESTERN LADOGA REGION IN THE MIDDLE AGES ACCORDING TO ARСHAEOLOGICAL EVIDENCE. PERM UNIVERSITY HERALD. History, [S. l.], v. 48, n. 1, p. 50–61, 2020. Disponível em: https://press.psu.ru/index.php/history/article/view/3135. Acesso em: 26 sep. 2024.