تحميل...
Information and reference sources and services /
| المؤلف الرئيسي: | |
|---|---|
| مؤلفون آخرون: | |
| التنسيق: | Printed Book |
| اللغة: | English |
| منشور في: |
New Delhi :
Ess Ess,
2005.
|
جدول المحتويات:
- 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