Kumar, Krishna <br/><br/>
Sekchik gyan aur verchasva 
by Krishna Kumar 
 - New Delhi  Granth Shipy  1998 
 - 129P. 
<br/><br/><label>ISBN: </label>81 86684 33 6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education Knowldge