| | Dyfarniad Dwbl TGAU - Technoleg Gwybodaeth a Chyfathrebu Gymhwysol, Y Llyfr Adolygu (Welsh Edition) by Steve Hacker, Dominic Hall, Et Al., Carroll Hughes, Llywela Hughes Paperback, 124 Pages, Published 2008 by @Ebol ISBN-13: 978-1-905255-70-2, ISBN: 1-905255-70-5
"Llyfr astudio ac adolygu ar gyfer TGAU Technoleg Gwybodaeth a Chyfathrebu (TGCh)Gymhwysol. Addas ar gyfer y Dyfarniad Dwbl."
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