Dr.Bal Krishan M A <br/><br/>
Sachithra Viswakosh Vol-I :  Prithvi, Akash Aur Khanij 

 -  Vision Books  2011 
 -  99 
<br/><br/><label>ISBN: </label>9788170946603 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nighandukkal, Year Bookkukal,Vijnjan Koshangal,Shabdhavalikal
<br/><br/><label>Dewey Class. No.: </label>HJ BAL