OLD AND RARE BOOKS OF PEDAGOGICAL  UNIVERSITY SCIENTIFIC LIBRARY. Bulletin of Armenian Libraries, [S. l.], v. 6, n. 1, p. 171–175, 2025. DOI: 10.52027/18294685-ptk2023.sp. Disponível em: https://journal.nla.am/index.php/banber/article/view/58. Acesso em: 3 aug. 2025.