Lumsdine A A ed <br/><br/>
Teaching machines and programmed learning    a source book 

 - wahington  National education Addociation       1960 
<br/><br/><label>Standard No.: </label>86,600 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T:3,1, K0 (PD)