TY  - BOOK
ED  - Indira Gandhi National Open University.
TI  - Information sources and services BLI-222
U1  - 025.04 23
PY  - 0000///30 cm
CY  - New Delhi
PB  - IGNOU
KW  - Reference services (Libraries)
KW  - Information services
KW  - Information resources
KW  - Reference books
ER  -