Bung, Klaus <br/><br/>
Towards a theory of programmed language instruction 

 - Hague-Paris  Mouton & Company  1973 
 - 104p.  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages
<br/><br/><label>LC Class. No.: </label>P121.B818