PATÁKOVÁ, E. THE QUALITY OF MATHEMATICAL PROBLEMS - EVALUATION AND SELF-EVALUATION. Journal on Efficiency and Responsibility in Education and Science, [S. l.], v. 6, n. 3, p. 143–154, 2013. DOI: 10.7160/eriesj.2013.060302. Disponível em: https://www.eriesjournal.com/index.php/eries/article/view/82. Acesso em: 16 jul. 2024.