The school library as a materials center educational needs of librarians and teachers in its administration and use

Manylion Llyfryddiaeth
Prif Awdur: Mahar, Mary Helen 1913-
Awdur Corfforaethol: United States. Office of Education
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: [Washington U.S. Govt. Printing Off. c1963].
Cyfres:United States Office of Education. Circular, no. 708
Pynciau: