BALČIŪNAS, Sigitas; KISELIOVA, Danutė; KISELIOVAS, Arkadijus. Preliminary diagnostics of mathematical achievements of 4th class pupils . Lietuvos matematikos rinkinys, [S. l.], v. 38, n. II, p. 221–228 , 1998. DOI: 10.15388/LMD.1998.37820. Disponível em: https://journals.vu.lt./LMR/article/view/37820. Acesso em: 19 apr. 2025.