TY  - BOOK
AU  - Pramanik Prasanta  
TI  - Purnagras surjagrahan
SN  - 8186792864 (hbk)
U1  - B9:57, 157P0 
PY  - 2000///
CY  - Kolkata
PB  - Jnanbichitra India        
KW  - MATHEMATICS
ER  -