[1]
Valente, W.R. and Ferreira, J. dos S. 2021. How to teach arithmetic? Elements of arithmetic to teach in the manual of Faria de Vasconcelos. Ensino em Re-Vista. 28, Contínua (May 2021), e027. DOI:https://doi.org/10.14393/ER-v28a2021-27.