TY  - BOOK
AU  - KUMAR, Krishan
AU  - 
TI  - Reference service
U1  - 025.52 
PY  - 1987///
CY  - NEW DELHI
PB  - VIKAS PUBLISHING HOUSE PVT.LTD.
KW  - LIBRARY REFERENCE & INFORMATION SERVICES
KW  - REFERENCE AND INFORMATION SERVICES
ER  -