KHMEL’, I. V. The Problem of the Written Sign Evolution. Anthropological Measurements of Philosophical Research, [S. l.], n. 1, p. 48–51, 2012. DOI: 10.15802/ampr2012/7818. Disponível em: https://ampr.ust.edu.ua/article/view/7818. Acesso em: 3 mar. 2024.