Saettler, Paul <br/><br/>
A history of instructional technology 

 - New York:  McGraw Hill Book Company,  1968. 
 - xv,399p.;  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School Education<br/>Method
<br/><br/><label>Dewey Class. No.: </label>371.3  / SAE