Chris Cullen

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Books by Chris Cullen (50 max)

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Messages Beyond Belief

2023

Chris Cullen

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Offerton self-care checklist

1981

Chris Cullen

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Human operant conditioning and behavior modification

1988

Graham Davey, Chris Cullen

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Residential provision for people with learning disabilities: factors considered to be important in determining a high quality of life

1997

Chris Cullen