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1990 Book Educating children with special needsAshman, Adrian and Elkins, John (1990). Educating children with special needs. Sydney: Prentice Hall. |
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1990 Book Chapter Cooperative learning among special studentsAshman, A. F. and Elkins, J. (1990). Cooperative learning among special students. Children helping children. (pp. 207-233) edited by Foot, H. C., Morgan, M. J. and Shute, R. H.. Chichester: John Wiley. |
