This publication has 3 references indexed in Scilit:

• The Efficacy of Early Intervention For Severely Handicapped Infants and Young Children
  Topics in Early Childhood Special Education, 1984
• Developmental integration of preschool children
  Analysis and Intervention in Developmental Disabilities, 1982
• Effectiveness of an Early Intervention Program as Indexed by Measures of Child Change
  Journal of the Division for Early Childhood, 1981