ICM Research (now known as Walnut Social Research) is a public opinion research company that was founded in 1989.[1][2] ICM is a subsidiary of Creston Insight, a marketing services company, and is a member of the British Polling Council under its new name Walnut Unlimited.[3]
- ^ "Review of the Year: Market Research Leagues - Behavioural Stimulus". Marketing. 14 December 2011. Archived from the original on 6 March 2018.
- ^ Harrison, Lisa (2001). Political Research: An Introduction. Routledge. p. 50.[ISBN missing]
- ^ "Officers / Members". British Polling Council. June 2014. Retrieved 7 June 2014.
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