Leggat, Robert  <br/><br/>
Lights Please using projectors in the classroom 

 - London  National committee for audio-visual aids  1972 
 - 118p  20cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matériel didactique Projectors <br/>Teaching Aids and devices <br/>Instructional materials
<br/><br/><label>Dewey Class. No.: </label>371.33 L513l