Audience Response Systems in Craigavon #Craigavon https://t.co/NZdBnE3Va9
Audience Response Systems in Craigavon #Craigavon https://t.co/NZdBnE3Va9
— Audience Response (@ukaudience) October 22, 2017
source https://audienceresponsesystemsuk.tumblr.com/post/166674847708
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