Santos, F. ., and C. Almeida. “The Psychopedagogical and Systemic Aspects of the Mathematical Literacy Teaching and Learning Process of Children in First Grade Classes”. Educação, Escola & Sociedade, vol. 11, no. 13, Dec. 2018, pp. 15-39, https://www.periodicos.unimontes.br/index.php/rees/article/view/132.