SZCZEPAŃSKI, J. Mathematical contests as seen by participants. Science, Technology and Innovation, [S. l.], v. 4, n. 3, p. 49–54, 2017. DOI: 10.5604/01.3001.0010.8000. Disponível em: https://journals.anstar.edu.pl/index.php/sti/article/view/197. Acesso em: 13 oct. 2024.