Importance of the teaching of mathematics. Journal on studies and research of academic knowledge, Itapúa, PY, n. 15, p. e2021016, 2022. DOI: 10.70833/rseisa15item304. Disponível em: https://revistas.uni.edu.py/index.php/rseisa/article/view/304. Acesso em: 21 oct. 2025.