Parent groups for the mentally retarded in America; a report on the organization and functioning of the National Association for Retarded Children at national, state and local levels,

פריטים דומים

• Education and training of the mentally retarded.
  יצא לאור: (1966)
• Mental retardation and social action; a study of the associations for retarded children as a force for social change,
  מאת: Segal, Robert M.
  יצא לאור: (1970)
• Retardation in young children : a developmental study of cognitive deficit /
  יצא לאור: (1987)
• Mental retardation /
  מאת: Edgerton, Robert B., 1931-
  יצא לאור: (1979)
• Mental retardation; a review of research,
  מאת: Stevens, Harvey A.
  יצא לאור: (1964)