TY  - BOOK
AU  - Sardana,J.L..
AU  - Sehgal,R.L..
TI  - Statistical methods for librarians / 
U1  - 519.5 
PY  - 1982///
CY  - New Delhi : 
PB  - Ess Ess Publications , 
KW  - STATISTICS
N1  - NULL
ER  -