МАЦЯВИЧЮТЕ, Эляна. UNESCO activities in the field of international standardization of library work. Knygotyra, [S. l.], v. 20, n. 13-2, p. 41–52, 1987. DOI: 10.15388/Knygotyra.1987.29986. Disponível em: https://www.zurnalai.vu.lt/knygotyra/article/view/29986. Acesso em: 7 nov. 2025.