Leggat, Robert <br/><br/>
Lights please! : using projectors in the classroom / 
Robert Leggat, Jacqueline Bateman, National Committee for Audio-Visual Aids in Education 
 - London  National committee for audio-visual aids in education. Fairhazel Gardens  1972 
 - 118p  20cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Projectors -- Classroom<br/>Teaching Aids and devices<br/>Instructional materials
<br/><br/><label>Dewey Class. No.: </label>371.33522 L513l