Special education.

Manylion Llyfryddiaeth
Awdur Corfforaethol:	United Nations Educational, Scientific and Cultural Organization
Fformat:	Llyfr
Iaith:	English French
Cyhoeddwyd:	[Paris s.n. c1969]
Cyfres:	International directories of education
Pynciau:	Handicapped children > Education > Directories.