OGUY, Oleksandr; IVASIUK, Olha; IVASIUK, Galyna. Middle Ages Christian Colour Precious Stones Symbols in the Context of a new Conception of Symbol as a Synergetic Linguo-Cultural Hyper Sign. Mediaforum : Analytics, Forecasts, Information Management, [S. l.], v. 9, p. 275–286, 2021. DOI: 10.31861/mediaforum.2021.9.275-286. Disponível em: https://journals.chnu.edu.ua/mediaforum/article/view/117. Acesso em: 13 aug. 2026.