Bjerstedt, A. (Ake), 1930-  Bjerstedt, A. (Ake), 1930- <br/><br/>
System modification and evaluation in instructional programming :  the final phases of the program construction process. 

 - Malmo :  Dept. of Educational & Psychological Research, School of Education,  1971. 
 - Didakometry ;  no. 33 .
<br/><br/>Bibliography: p. 20.1-20.21. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction.<br/>Audio-visual education.<br/>System analysis -- Programmed instruction.--System analysis -- Programmed instruction.