Basic concepts in educational technology I 
Ballado, Ronato S. 
 -  Rex Book Store,  2012 
 - viii, 125 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>978-9-71236255-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology.
<br/><br/><label>Dewey Class. No.: </label>F 371.3 B188 2012