METHODOLOGY OF TRAINING FUTURE SPEECH THERAPISTS TO DIAGNOSE VERBAL AND NONVERBAL COMMUNICATION SKILLS OF MENTALLY RETARDED PRIMARY GRADE STUDENTS. Modern American Journal of Social Sciences and Humanities, [S. l.], v. 1, n. 7, p. 78–85, 2025. Disponível em: https://usajournals.org/index.php/3/article/view/1118. Acesso em: 16 may. 2026.