Jeffery, Peter L. <br/><br/>
A filmstrip and slide projector for schools / 
[Peter Jeffery]. 
 - [Port Moresby] :  University of Papua and New Guinea, Teaching Methods and Materials Centre,  1972. 
 - 7 leaves. 
<br/><br/> Caption title. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices.<br/>Projectors.