TY  - BOOK
AU  - Sharma,Jagdish Saran
AU  - Grover, D R
TI  - Reference service and sources of information
SN  - 817000022X
U1  - 025.52 
PY  - 1987///
CY  - New Delhi
PB  - Ess Ess
KW  - Information services
KW  - Reference services (Libraries)
ER  -