Hamraqulova Durdona Dilshod qizi. NATIONAL AND FOREIGN TRENDS IN THE DEVELOPMENT OF COMMUNICATIVE SKILLS IN MENTALLY RETARDED CHILDREN OF PRESCHOOL AGE. imjrd [Internet]. 2024 Aug. 14 [cited 2026 Jun. 4];11(08). Available from: https://ijmrd.in/index.php/imjrd/article/view/1837