O.H.P.
Subtitle: a guide to the use of the overhead projector
By: by Robert W. Rowatt.
Contributors: Scottish Council for Educational Technology.
Publisher: Scottish Council for Educational Technology
Published: 1980
Place of publication: Glasgow (74 Victoria Cresent Rd, Glasgow G12 9JN)
Language: eng
Number of pages: 20
Subjects: Overhead projection.; Projectors.