TY  - BOOK
AU  - Pathak, Preeti  .
TI  - Pustakalay ke sidhranta / 
SN  - 978-81-8377-134-4
U1  - 2 
PY  - 2007///
CY  - New Delhi : 
PB  - Mahabir and Sons , 
KW  - Library
ER  -