Callender, Patricia <br/><br/>
Programmed Learning Its development and Structure 

 - London:  Longman group Ltd,  1970. 
 - 120p.;  22cm 
<br/><br/><label>ISBN: </label>0582410428 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools and their activities; special education
<br/><br/><label>Dewey Class. No.: </label>371.394  / CAL