Pocztar Jerry <br/><br/>
Theory and practice of programmed instruction: A guide for teachers 

 - Paris, France  United Nations Educational, Scientific and Cultural Organization  1972 
 - 179p. 
 - Monographs on education; 7 .
<br/><br/><br/>Photocopy 
<br/><br/><label>Source: </label>Textual