SHYPERKO, A. FORMATION OF MATHEMATICAL CONCEPTS IN STUDENTS IN CONDITIONS PERSONALLY ORIENTED LEARNING. Educational Dimension, Kryvyi Rih, Ukraine, v. 6, p. 162–163, 2003. DOI: 10.31812/educdim.5272. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/5272. Acesso em: 22 jul. 2024.