Understanding and helping the retarded reader

Manylion Llyfryddiaeth
Prif Awdur:	Strang, Ruth May 1895-
Awduron Corfforaethol:	Arizona. University. Reading Development Center, International Reading Association. Arizona Intermediate Reading Council
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Tucson University of Arizona Press c1965.
Pynciau:	Reading retardation > Congresses.