Teitl clawr = Cover title.
Gwneud defnydd effeithiol o wybodaeth asesu : cyfnodau allweddol 1-3 : canllawiau i lywodraethwyr, prifathrawon, arweinwyr pwnc/penaethiaid adran ac athrawon = Making effective use of assessment infor. ISBN 186112189X. Published by Awdurdod Cymwysterau, Cwricwlwm ac Asesu Cymru in 1999. Publication and catalogue information, links to buy online and reader comments.