TY  - BOOK
AU  - Kumar, Krishan
TI  - Reference service
SN  - 978-07069-8642-6
U1  - 025.5 
PY  - 1987///
CY  - Noida
PB  - Vikas
KW  - Reference service & information sources
KW  - Information services
N1  - Includes index
ER  -