TY  - BOOK
AU  - Ranganathan, S. R. (Shiyali Ramamrita),
TI  - Reference Service
SN  - 8170004667
U1  - 025.52  RAN 
PY  - 2006///
CY  - New Delhi
PB  - Ess Ess Publication
KW  - Library Science
ER  -