TY  - BOOK
AU  - Ranganathan,S.R.
TI  - Reference service
U1  - 028.7 
PY  - 1961///
CY  - Bangalore
PB  - Sarada Ranganathan Endowment for Library Science
KW  - Reading and reading aids
KW  - Use of library sources
KW  - Reference Service
ER  -