Pori'r pry copyn
By: gan Gwen Pritchard Jones ; darluniwyd gan Anthony Evans.
Contributors: Evans, Anthony.; Curriculum Council for Wales.
Series: Project llyfrau 3D / Cyngor Cwricwlwm Cymru; Project llyfrau 3D
Publisher: Gwasg Taf
Published: 1990
Place of publication: Caerdydd
Language: wel
Number of pages: 14