SIČIŪNIENĖ, Viktorija. Development of pupils’ cognitive abilities. Lietuvos matematikos rinkinys, [S. l.], v. 59, n. B, p. 82–86, 2018. DOI: 10.15388/LMR.B.2018.12. Disponível em: https://www.journals.vu.lt/LMR/article/view/14990.. Acesso em: 5 may. 2024.