Wittrock M C <br/><br/>
Evaluation of insturction : Issues and problems 

 - New York, USA  Holt, Rinehart and Winston   1970 
 - xiii,494p. 
<br/><br/><label>ISBN: </label>03-079795-0 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational - Test and Measurement