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Tríona Nic Fhinn, Oifigeach Oideachais Bunscoile ETIM le COGG ag labhairt faoi cnuasach scéalta matamaitice scríofa ag daltaí bunscoile agus atá le seoladh in Ollscoil Chathair Bhaile Átha Cliath inniu.
Tríona Nic Fhinn, Oifigeach Oideachais Bunscoile ETIM le COGG,