“TECHNOLOGIES OF SPEECH FORMATION IN MENTALLY DEAD CHILDREN 9-13 YEARS OLD”, Amer. Jour. of Peda. and Educ. Rese., vol. 19, pp. 56–60, Dec. 2023, Accessed: Jul. 02, 2026. [Online]. Available: https://mail.americanjournal.org/index.php/ajper/article/view/1583