Tessmer, Martin. <br/><br/>
Planning and conducting formative evaluations :  improving the quality of education and training. 

 - London :  Kogan Page,  1993. 
 - 159p ;  22 cm. 
<br/><br/><label>ISBN: </label>0749408014  £16.95 9780749408015 
<br/><br/><label>Nat. Bib. No.: </label>GB92V5599  bnb