KYSILOVA, V. ABOUT NEW APPROACHES TO USE MATHEMATICAL PROBLEMS AS DIDACTIC MEANS OF EDUCATION, DEVELOPMENT AND EDUCATION JUNIOR SCHOOLCHILDREN. Pedagogy of Higher and Secondary Education, Kryvyi Rih, Ukraine, v. 8, p. 291–300, 2004. DOI: 10.31812/educdim.5470. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/5470. Acesso em: 3 nov. 2024.