Saettler, Paul <br/><br/>
History of instructional technology 

 - New York:   Mcgraw-hill Book Company,   1968 
 - 399p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science
<br/><br/><label>Subjects--Index Terms: </label>Technology 
<br/><br/><label>Universal Decimal Class. No.: </label>D 371.333(091)  / K8