Supplement to a survey of overhead projectors / A. H. Crocker.
Material type:
TextSeries: National Committee for Audio-Visual Aids in Education. Experimental Development Unit. Report ; no. 6Publication details: London : National Committee for Audio-Visual Aids in Education; E ducational Foundation for Visual Aids, 1969.Description: 72 p. : ill. ; 21 cmISBN: - 0900553014
- P 371.3352 CRO
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