Баубек А., Мажинов Б. Methods of forming mathematical representations in preschoolers with mental retardation // Pedagogy and Psychology. – 2022. – № 4(53). – С.75–85: DOI: 10.51889/4569.2022.35.92.016 [Электронный ресурс]: URL: https://journal-pedpsy.kaznpu.kz/index.php/ped/article/view/1112 (дата обращения: 25.04.2024)