National staff college <br/><br/>
All India conference of district education officers on 10+2+3 

 - Newdelhi  Sagar,  1976 
 - 301p.;  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School administration
<br/><br/><label>Dewey Class. No.: </label>371.2  / NAT