Kumari, B. V. <br/><br/>
Operation blackboard 

 - New Delhi  : A P H publishers Corporation,   1996 
 - xv,123p.  
<br/><br/><label>ISBN: </label>81-7024-711-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Basic education - India <br/>| Primary education - India <br/>| Education promotion - India 
<br/><br/><label>Dewey Class. No.: </label>372 B189O