СЕМЕНЕЦЬ, Л. М. System-concept and features of the developmental training content of Mathematics. Educational Dimension, Kryvyi Rih, Ukraine, v. 46, p. 207–212, 2015. DOI: 10.31812/educdim.v46i0.2532. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/2532. Acesso em: 22 jul. 2024.