Junio, Salvacion P. <br/><br/>
Effectiveness of overhead transparencies in the teaching of light waves in secondary education  pp. 73-74 
Salvacion P. Junio 
<br/><br/> Quest: Research Journal Vol. 1 A.Y. 1999-2000 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>TECHNOLOGY --STUDY AND TEACHING<br/>OVERHEAD PROJECTORS AND TRANSPARENCIES--EFFECTIVENESS IN TEACHING
<br/><br/><label>LC Class. No.: </label>JF LB 1028 Q8 2000