Cynhyrchwyd gan = Produced by: Canolfan Astudiaethau Addysg.
Cyfrifoldeb am y project = Responsibility for the project: Sefydliad Cenedlaethol er Ymchwil i Addysg yn Lloegr a Chymru = National Foundation for Educational Research in England and Wales.
Cynnwys: 7 llyfr, 7 taflen = Contents: 7 books, 7 leaflets.
Profion darllen, profion sillafu, tasgau. Published by Canolfan Astudiaethau Addysg in 1990. Publication and catalogue information, links to buy online and reader comments.