Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
Professor David Blackaby comments on issues surrounding the electrification of the railway line between Cardiff and Swansea on ITV’s ‘Good Morning’.
Sefydliad Ymchwil Cymdeithasol ac Economaidd a Data Cymru
Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
Professor David Blackaby comments on issues surrounding the electrification of the railway line between Cardiff and Swansea on ITV’s ‘Good Morning’.