“PECULIARITIES IN THE DEVELOPMENT OF PRESCHOOL CHILDREN WITH MENTAL RETARDATION”, Brit. Jour. of Glob. Eco. and Sust. Deve., vol. 34, pp. 15–19, Nov. 2024, Accessed: Jan. 31, 2026. [Online]. Available: https://journalzone.org/index.php/bjgesd/article/view/640