Lucido, Paz I. <br/><br/>
Educational Technology 

 -  Katha Publishing Co., Inc.  1997 
<br/><br/> includes references 
<br/><br/><label>ISBN: </label>971-574-010-3 
<br/><br/><label>Dewey Class. No.: </label>Fil 371.33 L96 1997 c1