HELENA DIAKOVA; H. S. SKOVORODA. COLLECTION OF DOCUMENTS V.A.RYBALOV. European Journal of Humanities and Educational Advancements, [S. l.], v. 2, n. 3, p. 17-16, 2021. Disponível em: https://scholarzest.com/index.php/ejhea/article/view/352. Acesso em: 8 jan. 2025.