Audience Response Systems in Ballymena #Ballymena https://t.co/1bmzX2w4zU
Audience Response Systems in Ballymena #Ballymena https://t.co/1bmzX2w4zU
— Audience Response (@ukaudience) October 31, 2018
source https://audienceresponsesystemsuk.tumblr.com/post/179631544518
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