Blumberg, Arthur. <br/><br/>
The Effective Principal : Perspectives On School 

 -  Allyn And Bacon  1986 
 - VIII, 253 P. 24 CM. 
<br/><br/> KOPERASI KEDAI BUKU UNIVERSITI MALAYA 
<br/><br/><label>ISBN: </label>020508740X 
<br/><br/><label>Dewey Class. No.: </label>371.2012 BLU 1986 C.1