1. Abbro, F. (1989) Why horticulture? Growth Point, Autumn, 8-10.
2. Adlem, A., Arco, L. and Ngan, C. (1990) An analysis of independent engagement of persons with profound multiple handicaps. Behavior Change, 7, 185–95.
3. Ager, A. (1985) Recent developments in the use of microcomputers in the field of mental handicap: implications for psychological practice. Bulletin of the British Psychological Society, 38, 142–5.
4. Allen, D., Gillard, N., Watkins, P. and Norman, G. (1989) New directions in day activities for people with multiple handicaps and challenging behaviour. Mental Handicap, 7, 101–3.
5. Anderson, E. (1987) Physical education for children and students with special educational needs. British Journal of Physical Education, 18, 199–200.