TY  - BOOK
AU  - Sehgal,R L.
TI  - Applied statistics for library science research / 
U1  - 021.21 
PY  - 1998///
CY  - New Delhi : 
PB  - Ess Ess Publications , 
KW  - LIBRARY SCIENCE-RESEARCH
KW  - LIBRARY STATISTICS
N1  - NULL
ER  -