Llygad drygioni /
Jennings, Paul,1943-
Meek, Elin.
Llandysul : Gwasg Gomer,
2005.
Argraffiad Saesneg gwreiddiol = Original English edition : Cheltenham : Nelson Thornes, 2003.
Addasiad Cymraeg gan = Welsh adaptation by : Elin Meek.
Supervisors, Industrial
Factories
Welsh language