TY  - BOOK
AU  - Das, Lala Shriniwas
TI  - परीक्षा गुरु | Pariksha Guru
SN  - 9788190489775
U1  - 891.433 
PY  - 2012///
CY  - New Delhi
PB  - Balaji Prakashan 
KW  - Hindi Literature
ER  -