1Longhorn, F (1988) A Sensory Curriculum for Very Special People: A Practical approach to Curriculum Planning. Chapter 3. Oral exploration.
2Anderson, C (1983) Feeding - A Guide to Assessment and Intervention with Handicapped Children. Available from: Publication Department, Jordanhill College of Education, Southbrae Drive, Glasgow G13 1 PP.
3Dale, FJ (1990) The Stimulation Guide: A source book of suggestions and activities for multi-sensory impaired children and others with developmental difficulties. Chapter 6.
4Ferrell, KA (1986) Reach Out and Teach. Meeting the Training Needs of Parents of Visually and Multiply Handicapped Young Children. Parent Handbook Reach book