O.H.P. a guide to the use of the overhead projector
Rowatt, Robert W.
O.H.P. a guide to the use of the overhead projector - ; A Scet Production - 20p.
5P
Education
Education By Projector
370 / ROW
O.H.P. a guide to the use of the overhead projector - ; A Scet Production - 20p.
5P
Education
Education By Projector
370 / ROW