НІКІТІНА, О. О. The formation of mathematical competences of primary school pupils by means of TIPS. Pedagogy of Higher and Secondary Education, Kryvyi Rih, Ukraine, v. 47, p. 113–118, 2019. DOI: 10.31812/educdim.v47i0.2440. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/2440. Acesso em: 11 jan. 2025.