Bjerstedt, Ake,  1930-, <br/><br/>
Educational technology :  instructional programming and didakometry / 
Ake Bjerstedt 
 - 300 páginas 
<br/><br/><label>ISBN: </label>0471076600 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tecnología educativa
<br/><br/><label>LC Class. No.: </label>LB1028.3  / B54