Pereira, P. D. <br/><br/>
Introduction to programmed learning / 
[by] P.D. Pereira. 
 - Geneva :  Interational Labour Office,  c1967. 
<br/><br/> LSDRETRO:D.1-10c. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction.