Leith, George, Oig Manderson <br/><br/>
A handbook of programmed learning 

 - Birmingham  University of Birmingham  1966 
 - 152p.  22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction
<br/><br/><label>LC Class. No.: </label>LB1028.5.L45