Llyfr y capten
Subtitle: canllaw i athrawon
By: J. Richard Williams.
Series: Cwrs y cefnfor
Publisher: Canolfan Astudiaethau Iaith
Published: 1994
Place of publication: Llangefni
Language: wel
Number of pages: 48
Subjects: Ocean -- Study and teaching.; Seafaring life -- Study and teaching.; Interdisciplinary approach in education -- Wales.
Notes: Bibliography: p41-45.