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Information and reference sources and services /
| Tác giả chính: | |
|---|---|
| Tác giả khác: | |
| Định dạng: | Printed Book |
| Ngôn ngữ: | English |
| Được phát hành: |
New Delhi :
Ess Ess,
2005.
|
Mục lục:
- 1. Information services: concept, need and purposes 2. Organization of reference & information services and departments 3. Sources of information 4. Reference sources and their evaluation 5. Bibilographic services 6. Documentation and information cent