Program: HathiTrust Digital Library
- Publisher: Unesco
- Print ISSN: 0077-8893
- Electronic ISSN:
- OCLC Number: 2414459
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1; v.2; v.3 1972; v.4 1978; v.4(1979)
|
committed to retain | 2017-08-22 | HTDL |
|