For citations:
Vorobyeva E.V., Efimeva E.V. Development of Speech Communication of Senior Preschool Children: Application of Correctional and Developmental Pedagogical Technologies in Moderate and Severe Mental Retardation. Innovative science: psychology, pedagogy, defectology. 2023;6(6):78-86. (In Russ.) https://doi.org/10.23947/2658-7165-2023-6-6-78-86