1.
Gonçalves CFF, Fidelis JA, Prado M de LS. Reflecting upon the teaching of mathemathics in elementary schools. Semin., Exact Tech. Scienc. [Internet]. 2004 Dec. 15 [cited 2024 Nov. 24];17(4):361-4. Available from: https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/3121