Basic concepts in educational technology I / 
Ballado, Ronato S. 
 - 1st ed. 
 - Manila :  Rex Book Store,  2012. 
 - viii, 125 p.:  ill.;  24.3cm. 
<br/><br/>Includes references, index 
<br/><br/><label>ISBN: </label>9789712362552 
<br/><br/><label>Dewey Class. No.: </label>Fil 370.11 B188 2012