Bjerstedt, A. (Ake), 1930-  Bjerstedt, A. (Ake), 1930- <br/><br/>
Mapping the effect-structure of didactic sequences. 

 - Malmo :  Dept. of Educational & Psychological Research, School of Education,  1964. 
 - Didakometry ;  no. 2 .
<br/><br/>Bibliographical references: p. 11. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction.