Dr. Bal Krishnan <br/><br/>
Sachitra Vishwakosh: Vigyan-Vygyanik 

 -  Vision Books 
 -  106 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nighandukkal, Year Bookukal, Vijnana Koshangal, Shabdavalikal
<br/><br/><label>Dewey Class. No.: </label>HJ BAL