ZYBARTAS, Saulius. On this issues of developing mathematical communication abilities of 10th form pupils. Lietuvos matematikos rinkinys, [S. l.], v. 43, n. spec., p. 415–419, 2003. DOI: 10.15388/LMR.2003.32466. Disponível em: https://journals.vu.lt./LMR/article/view/32466. Acesso em: 19 apr. 2025.