Strategies for Programmed Instruction  An Educational Technology 

 - London:  Butterworths,  1972. 
 - 231p.;  22cm 
<br/><br/><label>ISBN: </label>0408702524 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.7  / STR