THE PROBLEM OF ETHNIC HISTORY: THEORETICAL - METHODOLOGICAL APPROACHES (On the example of ethnic history of Kungirats). European Journal of Interdisciplinary Research and Development , [S. l.], v. 12, p. 122–128, 2023. Disponível em: https://ejird.journalspark.org/index.php/ejird/article/view/366. Acesso em: 23 oct. 2025.