[1]
de Oliveira, G.P. et al. 2021. Editorial – 2020 - Thematic Issue Research Methodology in Mathematics Education: directions and perspectives. Educação Matemática Pesquisa. 22, 3 (ene. 2021), 9–16. DOI:https://doi.org/10.23925/http://dx.doi1983-3156.2020v22i3p009-016.