RAKHIMOVA FAZILAT ATABEKOVNA. Puzzles as a factor in the formation of elementary mathematical concepts in preschool education. International Journal on Integrated Education, [S. l.], v. 4, n. 2, p. 133–137, 2021. DOI: 10.31149/ijie.v4i2.1224. Disponível em: https://journals.researchparks.org/index.php/IJIE/article/view/1224. Acesso em: 12 oct. 2026.