Wheldall ,Kevin Behaviour Analysis in Education Psychology : In Association with Posiitive Products / by Kevin Wheldall , Frank Merrett and Ted Glynn - London : Croom Helm , 1986. - x,273p. ISBN: 9780709936893 Subjects--Topical Terms: Behaviour Ecology EducationPsychology Dewey Class. No.: 370.153 / WHE/B