Educational technology research and development  [Journal] 
 ETR&D  [Journal] 

 - Illinois :  Assocition for educational Communications & technology,  n.d. 
 - Quarterly 
<br/><br/><label>ISSN: </label>1042-1629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English journal.<br/>Periodical.<br/>วารสารภาษาอังกฤษ.<br/>Education technology--journal.<br/>Communications and technology--journal.<br/>technology--journal.