DAS, B.C.  <br/><br/>
METHODS AND TECHNIQUES OF DESIGNING EVALUATION STUDIES  

 -  LUCKNOW, S. P. AND STATIONARY  1981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference Book
<br/><br/><label>Dewey Class. No.: </label>1.42  / DAS/M