TY  - BOOK
AU  - LAL.
AU  - JAIN .
TI  - SSC- STATISTICAL INVESTIGATIORS (GRADE -IV) EXAMINATION (PAPER-I )
U1  - 080 LAL 
PY  - 2009///
CY  - AGRA
PB  - UPKAR PUBLICATION
KW  - General collections
ER  -