Tyfu
By: t^ m ymchwil: Menna Elfyn, Eurwen Price.
Contributors: Menna Elfyn, 1951-; Price, Eurwen.; University College of Wales. Resources Centre.; National Foundation for Educational Research in England and Wales.
Series: Project i hybu iaith SCYA -- Pecyn 1
Publisher: Canolfan Astudiaethau Addysg
Published: 1990
Place of publication: Aberystwyth
Language: wel
Subjects: Welsh language -- Study and teaching.; Adolescence.
Notes: Cynhyrchwyd gan = Produced by: Canolfan Astudiaethau Addysg, Aberystwyth.

Ar ben y wyneb ddalen = At head of title page: Sefydliad Cenedlaethol er Ymchwil i Addysg yn Lloegr a Chymru = National Foundation for Educational Research in England and Wales.
Table of contents: title: Cynnwys: Llyfr 60t 2 gêm caset = Contents: Book 60p 2 games cassette.