
Teitl clawr = Cover title.
Canllawiau ar weithredu egwyddorion y Siarter Drysau Agored ar gyfer sefydliadau'r sector cyhoeddus yng Nghymru = Guidance on the implementation of the Opening Doors Charter principles for Welsh publi. ISBN 9780750446426. Published by Llywodraeth Cynulliad Cymru in 2009. Publication and catalogue information, links to buy online and reader comments.