Geraint Roberts reviewed Cyfrin Cewri by ROBERTS
Review of 'Cyfrin Cewri' on 'Goodreads'
4 stars
Llyfr hynod ddiddorol sydd wedi ailgydio fy niddordeb mewn mathemateg.
172 pages
Welsh language
Published Dec. 22, 2020 by Gwasg Prifysgol Cymru / University of Wales Press.