Babayeva Azizabonu, Kabirova Zarnigor. METHODOLOGY FOR CHECKING THE SPEECH OF PRESCHOOL CHILDREN WITH MENTAL RETARDATION. Amer. Jour. of Peda. and Educ. Rese. [Internet]. 2023 Dec. 7 [cited 2024 Nov. 13];19:40-3. Available from: https://americanjournal.org/index.php/ajper/article/view/1579