1. Applied behaviour analysis for teachers,1999
2. Diagnostic and statistical manual of mental disorders: DSM-IV;American Psychiatric Association,1994
3. Philosophy, instructional methodology, training and goals of teachers of the behaviorally disordered;Behavioural Disorders,1991
4. The contingent use of teacher attention and praise in reducing classroom behaviour problems;Journal of Special Education,1967
5. Dinosaurs don’t die easily: A commentary on Walker, Severson, Stiller, Williams, Haring, Shinn and Todis;Remedial and Special Education,1988