Audience Response Systems in Cookstown #Cookstown https://t.co/A5t3kMpSB1
Audience Response Systems in Cookstown #Cookstown https://t.co/A5t3kMpSB1
— Audience Response (@ukaudience) July 23, 2019
source https://audienceresponsesystemsuk.tumblr.com/post/186496887123
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