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Literature search /
| Autor Principal: | |
|---|---|
| Idioma: | Undetermined |
| Publicado: |
Concept Publishing company :
New Delhi ,
1990.
|
| Series: | Concepte in communication informatics&Librarianship-19thed^S P Agrawal
|
| Subjects: |
| Descrición Física: | 172 p. 21.7cms |
|---|