Llwytho...
Information and reference sources and services /
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
New Delhi :
Ess Ess,
2005.
|
Tabl Cynhwysion:
- 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