P.T.T.- ASIA. Postal Telegraph and Telephone International. Information bulletin. P.T.T.I. Asian regional office
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Manilla.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/1A1E6B36-EC3A-4B28-9097-FA98E8367053 |
| Description not available. |