TY  - BOOK
AU  - Kumar, Suseela
TI  - Changing Concepts of Reference Service
SN  - 0706903021
U1  - 025.52 
PY  - 1974///
CY  - Delhi
PB  - Vikas Publishing House Pvt. Ltd.
KW  - Gneralities
KW  - Library and Information sciences
KW  - Reference services (Libraries)
ER  -