 | Up a level |
Howlin, Patricia and Gordon, K. and Pasco, Greg and Wade, A. and Charman, Tony (2007) The effectiveness of Picture Exchange Communication System (PECS) training for teachers of children with autism: a pragmatic, group randomised controlled trial. Journal of Child Psychology and Psychiatry, 48 (5). pp. 473-481. ISSN Print: 0021-9630 Online: 1469-7610
