TY  - BOOK
AU  - Dr.Bal Krishan M A
TI  - Sachithra Viswakosh Vol-I :  Prithvi, Akash Aur Khanij
SN  - 9788170946603
U1  - HJ BAL 
PB  - Vision Books
KW  - Nighandukkal, Year Bookkukal,Vijnjan Koshangal,Shabdhavalikal
ER  -