TY  - GEN
AU  - Sharma , Jagdish Saran
AU  - Grover , D.R.
TI  - Refernce service and sources of information
SN  - 817000022x
U1  - 025.52 
PY  - 1987///
CY  - New Delhi
PB  - Ess Ess Publications
KW  - LIBRARY SCIENCES
KW  - INFORMATION SERVICES
KW  - REFERENCE SERVICE
ER  -