ELIJIO, Aistė; ALVARADO, Ineta. Possibilities for nonstandard mathematics problems book design. Lietuvos matematikos rinkinys, [S. l.], v. 54, n. B, p. 99–104, 2013. DOI: 10.15388/LMR.B.2013.19. Disponível em: https://www.journals.vu.lt/LMR/article/view/17160.. Acesso em: 30 apr. 2024.