Leggat, Robert
Lights please: using projectors in the classroom - London: National Committee for Audio-Visual Aids, 1972. - 118p.
PB
Eng
Projectors
Teaching -Aids devices
371.335 / LEL
Lights please: using projectors in the classroom - London: National Committee for Audio-Visual Aids, 1972. - 118p.
PB
Eng
Projectors
Teaching -Aids devices
371.335 / LEL