[SCHOOL FAILURES AND SCHOOLS FOR BACKWARD CHILDREN].
D000293:Adolescent; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D019989:Persons with Intellectual Disabilities; D011588:Psychology, Educational; D012574:Schools
ADOLESCENCE; CHILD; EDUCATION OF MENTALLY RETARDED; PSYCHOLOGY, EDUCATIONAL
SCHULVERSAGER UND HILFSSCHULE.