Bung, Klaus <br/><br/>
Towards a theory of programmed language instruction 
Kluas Bung 
 - The Hague  Mouton  1973 
 - 104 p. : ill. ; 26 cm. 
 - Janua linguarum .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 93-99. 
<br/><br/><label>LCCN: </label>73-189699 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Programmed instruction