SIČIŪNIENĖ, Viktorija; DARGYTĖ, Janina. Eighth grade mathematical achievements: qualitative and quantitative aspects. Lietuvos matematikos rinkinys, [S. l.], v. 54, n. B, p. 184–189, 2013. DOI: 10.15388/LMR.B.2013.34. Disponível em: https://www.journals.vu.lt/LMR/article/view/17191.. Acesso em: 29 apr. 2024.