NORVAIŠA, Rimas. Concepts, terms and symbols in mathematics textbooks. Lietuvos matematikos rinkinys, [S. l.], v. 64, n. B, p. 59–74, 2023. DOI: 10.15388/LMR.2023.33597. Disponível em: https://www.journals.vu.lt/LMR/article/view/33597.. Acesso em: 14 may. 2024.