Bhatt, B. D.  & Sharma, S. R. <br/><br/>
Educational supervision  theory and practice 

 - Kanishka publishing house, New Delhi  1972 
 - viii,384pp 
<br/><br/><label>ISBN: </label>81-85475-50-4 
<br/><br/><label>Dewey Class. No.: </label>379.15 Bha/Sha